Psychometric properties of the Children's Revised Impact of Event Scale (CRIES-8) among refugee adolescents from Afghanistan, Syria, and Somalia.

Background: High levels of post-traumatic stress are well documented among refugees. Yet, refugee adolescents display high heterogeneity in their type of trauma and symptom levels.Objective: Following the recurrent plea for validated trauma screening tools, this study investigated the psychometric properties of the Children's Revised Impact of Event Scale (CRIES-8) among refugee adolescents from Afghanistan (n = 148), Syria (n = 234), and Somalia (n = 175) living in Europe.Method: The model fit for the confirmatory factor structures was tested, as well as measurement invariance between the three groups. The robustness of results was evaluated by testing measurement invariance between recently arrived and settled adolescents, and between different response labelling options. Reliability (α, ω, and ordinal α), criterion validity, and prevalence estimates were calculated.Results: The intrusion subscale showed a better stable model fit than the avoidance subscale, but the two-factor structure was mainly supported. Configural measurement invariance was achieved between Afghan and Somali adolescents, and strong measurement invariance between Syrian and Somali adolescents. The results were robust considering the time living in the host country and response labelling styles. Reliability was low among Afghan and Syrian adolescents (.717-.856), whereas it was higher among Somali adolescents (.831-.887). The total score had medium-sized correlations with emotional problems (.303-.418) and low correlations with hyperactivity (.077-.155). There were statistically significant differences in symptom prevalence: Afghan adolescents had higher prevalence (55.5%) than Syrian (42.8%) and Somali (37%) adolescents, and unaccompanied refugee minors had higher symptom prevalence (63.5%) than accompanied adolescents (40.7%).Conclusions: This study mostly supports the use of the CRIES-8 among adolescents from Afghanistan, Syria, and Somalia, and even comparative analyses of group means. Variation in reliability estimates, however, makes diagnostic predictions difficult, as the risk of misclassification is high.

We investigated the psychometric properties of the 8-item Children's Revised Impact of Event Scale (CRIES-8) among refugee adolescents from Afghanistan, Syria, and Somalia living in Europe.We found support for the CRIES-8 as a suitable assessment tool for Afghan, Syrian, and Somali adolescents.The reliability of the CRIES-8 was low among Afghan and Syrian adolescents, whereas among Somali adolescents, reliability was higher.

Professional autonomy among Registered Nurses-Validation of the translation of the Dempster Practice Behaviour Scale and survey results.

AIM: To test the psychometric properties of the Finnish version of the Dempster Practice Behaviour Scale and explore nurses' professional autonomy along with which characteristics are related to it. DESIGN: An instrument validation and a descriptive cross-sectional study. METHODS: The web-based survey was conducted in September 2021 at two university hospitals in Finland. Exploratory factor analysis (EFA) was used to explore the factor structure of the modified instrument, while Cronbach's α coefficients were calculated to determine the reliability of the scale. Descriptive univariate and multivariate analyses were conducted to examine Registered Nurses' professional autonomy. The study followed STROBE guidelines. RESULTS: During the validation process, the 30 items of the Dempster Practice Behaviour Scale were reduced to 25 items. The S-CVI/Ave for the translated scale was 0.94. When one additional item was omitted from the EFA, the results supported five factors, which explained 45.9% of the total variance. The mean overall autonomy score was 3.63 out of 5, with readiness and empowerment the subscales with the highest and lowest, respectively, mean values. The linear regression models showed that age, nursing experience, unit type, education, shift, and perceptions of the importance of professional autonomy were related to the subscales describing professional autonomy. CONCLUSION: The psychometric testing provided evidence that the translated instrument was reliable. Nurses assessed that they are skilled professionals who are accountable for their actions. However, they experienced rather low levels of professional autonomy in empowerment and valuation. Health care organizations should consider this through authentic leadership and, thus, possibly strengthen professional autonomy.

Speaking in Public Coping Scale (ECOFAP): content and response process validity evidence. / Escala de Coping para Fala em Público (ECOFAP): evidências de validade de conteúdo e processos de resposta.

PURPOSE: To present the content and response process validity evidence of the Speaking in Public Coping of Scale (ECOFAP). METHODS: A methodological study to develop and validate the instrument. It followed the instrument development method with theoretical, empirical, and analytical procedures, based on the validity criteria of the Standards for Educational and Psychological Testing (SEPT). The process of obtaining content validity evidence had two stages: 1) conceptual definition of the construct, based on theoretical precepts of speaking in public and the Motivational Theory of Coping (MTC); 2) developing items and response keys, structuring the instrument, assessment by a committee with 10 specialists, restructuring scale items, and developing the ECOFAP pilot version. Item representativity was analyzed through the item content validity index. The response process was conducted in a single stage with a convenience sample of 30 people with and without difficulties speaking in public, from the campus of a Brazilian university, belonging to various social and professional strata. In this process, the respondents' verbal and nonverbal reactions were qualitatively analyzed. RESULTS: The initial version of ECOFAP, consisting of 46 items, was evaluated by judges and later reformulated, resulting in a second version with 60 items. This second version was again submitted for expert analysis, and the content validity index per item was calculated. 18 items were excluded, resulting in a third version of 42 items. The validity evidence based on the response processes of the 42-item version was applied to a sample of 30 individuals, resulting in the rewriting of one item and the inclusion of six more items, resulting in the pilot version of ECOFAP with 48 items. CONCLUSION: ECOFAP pilot version has items with well-structured semantics and syntactic, representing strategies to cope with speaking in public.

OBJETIVO: Apresentar as evidências de validade baseadas no conteúdo e nos processos de resposta da Escala de Coping para a Fala em Público (ECOFAP). MÉTODO: Estudo metodológico de elaboração e validação de instrumento. Seguiu-se o modelo de elaboração de instrumentos com procedimentos teóricos, empíricos e analíticos, baseados nos critérios de validade do Standards for Educational and Psychological Testing (SEPT). O processo de obtenção das evidências de validade baseadas no conteúdo foi realizado em duas etapas: 1) definição conceitual do construto, elaborado com base nos preceitos teóricos da fala em público e da Teoria Motivacional do Coping (TMC); 2) elaboração dos itens e chave de respostas, estruturação do instrumento, avaliação por comitê de dez especialistas, reestruturação dos itens da escala, realizada em três momentos, até a elaboração da versão piloto da ECOFAP. O processo de resposta foi realizado com amostra de conveniência de 30 indivíduos, com e sem dificuldades de fala em público, no campus de uma universidade brasileira, pertencentes a diferentes extratos sociais e profissões. Nesse processo, foram analisadas qualitativamente as reações verbais e não verbais dos respondentes. RESULTADOS: A primeira versão da ECOFAP, composta por 46 itens, foi avaliada pelos juízes e posteriormente reformulada, resultando em uma segunda versão com 60 itens. Essa segunda versão foi novamente submetida à análise de especialistas e calculado o índice de validade de conteúdo por item. Foram excluídos 18 itens, originando uma terceira versão de 42 itens. As evidências de validade com base nos processos de resposta da versão de 42 itens foram aplicadas em uma amostra de 30 indivíduos, resultando na reescrita de um item e inclusão de mais seis itens, originando a versão piloto da ECOFAP de 48 itens. CONCLUSÃO: A versão piloto da ECOFAP apresenta itens bem estruturados semântica e sintaticamente que representam estratégias de enfrentamento para a fala em público.

Development and initial validation of the Scale of Scales (SOS) overreporting scores for the MMPI family of instruments.

Overreporting is a common problem that complicates psychological evaluations. A challenge facing the effective detection of overreporting is that many of the identified strategies (e.g., symptom severity approaches; see Rogers & Bender, 2020) are not incorporated into broadband measures of personality and psychopathology (e.g., Minnesota Multiphasic Personality Inventory family of instruments). While recent efforts have worked to incorporate some of these newer strategies, no such work has been conducted on the MMPI-3. For instance, recent symptom severity approaches have been used to identify patterns of multivariate base rate "skyline" elevations on the BASC, and similar strategies have been adopted into the PAI to measure psychopathology (Multi-Feigning Index; Gaines et al., 2013) and cognitive symptoms (Cognitive Bias Scale of Scales; Boress et al., 2022b). This study used data from a simulation study (n = 318) and an Active-Duty (AD) clinical sample (n = 290) to develop and cross-validate such a scale on the MMPI-2-RF and MMPI-3. Results suggest that the MMPI SOS (Scale of Scales) scores perform equitably to existing measures of overreporting on the MMPI-2-RF and MMPI-3 and incrementally predict a PVT-classified "known-group" of Active Duty service members. Effects were generally large in magnitude. Classification accuracy achieved desired specificity (.90) and approximated expected sensitivity (.30). Implications of these findings are discussed, which emphasize how alternative overreporting detection strategies may be useful to consider for the MMPI. These alternative strategies have room for expansion and refinement.

Turkish translation and transcultural validity and reliability of an assessment tool for spasticity: Leg Activity Measure (Leg A).

BACKGROUND: The Leg Activity Measure is the only self-report measure that has been published to date that takes into account both the influence on quality of life and passive and active function in the literature. AIMS: The purpose is to examine the translation, cross-cultural adaptation validity and reliability of the Turkish version of the Leg Activity Measure (Tr-LegA). METHODS: Neurological patients (n = 52) with lower limb spasticity (aged 47.09 ± 14.74 years) were enrolled. The study consisted of two stages. At the first stage, the scale was translated into Turkish and culturally adapted. Validity and reliability analyses were conducted at the second stage. Construct validity was evaluated by exploratory factor analysis (EFA). The Rivermead Mobility Index (RMI), Nottingham Health Profile (NHP), and Functional Independence Measure (FIM) were used for convergent validity. The reproducibility (test-retest reliability) was assessed by the intraclass correlation coefficient (ICC). Furthermore, the standard error of measurement (SEM) was calculated. RESULTS: EFA suggested one factor for the Passive Function and two factors for the Active Function and Impact on Quality of Life Scales (QoL). Tr-LegA Passive and Active Function Scales were correlated with the total RMI, NHP, and FIM (p < 0.05). Tr-LegA Impact on Quality of Life Scale was correlated with the RMI and NHP (p < 0.05). Tr-LegA Passive Function Scale (ICC = 0.997), Tr-LegA Active Function Scale (ICC = 0.996), and Tr-LegA Impact on Quality of Life Scale (ICC = 0.976) had good reliability. Only Passive Function Scale had a significant floor effect (25%). CONCLUSIONS: Tr-LegA is a valid and reliable multidimensional scale for passive and active function and quality of life in patients with lower limb spasticity. THE CLINICAL TRIAL NUMBER: NCT05182411.

Measurement invariance across countries of the Test of Memory Strategies (TMS): A contribution to the cross-national validity study.

Previous literature showed a complex interpretation of recall tasks due to the complex relationship between Executive Functions (EF) and Long Term Memory (M). The Test of Memory Strategies (TMS) could be useful for assessing this issue, because it evaluates EF and M simultaneously. This study aims to explore the validity of the TMS structure, comparing the models proposed by Vaccaro et al. (2022) and evaluating the measurement invariance according to three countries (Italy, Spain, and Portugal) through Confirmatory Factor Analysis (CFA). Four hundred thirty-one healthy subjects (Age mean = 54.84, sd = 20.43; Education mean = 8.85, sd =4.05; M = 177, F = 259) were recruited in three countries (Italy, Spain, and Portugal). Measurement invariance across three country groups was evaluated through Structural Equation modeling. Also, convergent and divergent validity were examined through the correlation between TMS and classical neuropsychological tests. CFA outcomes suggested that the best model was the three-dimensional model, in which list 1 and list2 reflect EF, list 3 reflects a mixed factor of EF and M (EFM) and list4 and list5 reflect M. This result is in line with the theory that TMS decreases EF components progressively. TMS was metric invariant to the country, but scalar invariance was not tenable. Finally, the factor scores of TMS showed convergent validity with the classical neuropsychological tests. The overall results support cross-validation of TMS in the three countries considered.

Clinimetric Properties of the Chinese Short Form of the Sarcopenia Quality of Life Questionnaire in Patients With Cancer.

BACKGROUND: Sarcopenia, prevalent in patients with cancer, negatively affects quality of life. However, generic tools are unable to capture the minor effects of sarcopenia on quality of life. The short-form version of the Sarcopenia Quality of Life (SF-SarQoL) questionnaire was developed as an efficient tool to assess the impact of sarcopenia on quality of life in older adults. However, its clinimetric properties in patients with cancer remain unknown. PURPOSE: This study was designed to examine the clinimetric properties of the Chinese SF-SarQoL in patients with colorectal cancer, particularly with regard to its ability to detect changes in quality of life. METHODS: A longitudinal survey was conducted using the SF-SarQoL and other questionnaires on 408 patients with colorectal cancer planning to undergo surgery. Follow-up was subsequently conducted on 341 of these patients 1 month after surgery. The clinimetric properties of the SF-SarQoL were examined, including reliability (internal consistency), validity (construct validity, concurrent validity), sensitivity (ability to detect changes, discriminative ability), and floor and ceiling effects. RESULTS: The internal consistency of the SF-SarQoL was found to be acceptable (Cronbach's alpha = .94 and McDonald's omega = .94). Strong scalability of the total score and each item was confirmed using Mokken analysis. Concurrent validity analyses indicate the SF-SarQoL is significantly correlated with muscle-related and health-related questionnaire scores. The SF-SarQoL showed adequate sensitivity due to its good ability to detect changes in quality of life with a moderate effect size (Cohen's d = 0.56) and discriminate between sarcopenic and nonsarcopenic patients (area under the curve = 0.73, 95% CI [0.66, 0.79]) using receiver operating characteristic curve analyses. No floor or ceiling effects were observed. CONCLUSIONS: The Chinese SF-SarQoL exhibits good clinimetric properties in preoperative patients with colorectal cancer and is sufficiently sensitive to capture changes in quality of life after surgery.

Assessing intrinsic capacity in Taiwan: Initial psychometric properties of the Integrated Care for Older People Screening Tool for Taiwanese (ICOPES-TW).

BACKGROUND: The World Health Organization (WHO) proposed the concept of intrinsic capacity (comprising composite physical and mental capacity) which aligns with their concepts of healthy aging and functional ability. Consequently, the WHO promotes the Integrated Care for Older People (ICOPE) framework as guidance for geriatric care. Consequently, each government should have a screening tool corresponding to ICOPE framework to promote geriatric care. The present study examined the initial psychometric properties of the Taiwan version of ICOPE (i.e., ICOPES-TW). METHODS: Older people (n = 1235; mean age = 72.63 years; 634 females [51.3%]) were approached by well-trained interviewers for participation. A number of measures were administered including the ICOPES-TW, WHOQOL-AGE (assessing quality of life [QoL]), Clinical Frailty Scale (assessing frailty), Barthel Index (assessing basic activity of daily living [BADL]), and Lawton Instrumental Activities of Daily Living Scale (assessing instrumental activity of daily living [IADL]). RESULTS: The ICOPES-TW had a two-factor structure (body functionality [eigenvalue = 1.932] and life adaptation [eigenvalue = 1.170]) as indicated by the results of exploratory factor analysis. Internal consistency of the ICOPES-TW was low (Cronbach's α = 0.55 [entire ICOPES-TW], 0.45 (body functionality factor), and 0.52 (life adaptation factor). ICOPES-TW scores were significantly (i) positively correlated with age (r = 0.321), IADL (r = 0.313), and frailty (r = 0.601), and (ii) negatively correlated with QoL (r=-0.447), and BADL (r=-0.447), with all p-values < 0.001. CONCLUSION: The ICOPES-TW could be a useful screening tool for healthcare providers to quickly evaluate intrinsic capacity for Taiwanese older people given that it has moderate to strong associations with age, BADL, IADL, QoL, and frailty.

Development and validation of the osteoporosis scale among the system of quality of life instruments for chronic diseases QLICD-OS (V2.0).

BACKGROUND: Quality of life of osteoporosis patients had caused widespread concern, due to high incidence and difficulty to cure. Scale specifics for osteoporosis and suitable for Chinese cultural background lacked. This study aimed to develop an osteoporosis scale in Quality of Life Instruments for Chronic Diseases system, namely QLICD-OS (V2.0). METHODS: Procedural decision-making approach of nominal group, focus group and modular approach were adopted. Our scale was developed based on experience of establishing scales at home and abroad. In this study, Quality of life measurements were performed on 127 osteoporosis patients before and after treatment to evaluate the psychometric properties. Validity was evaluated by qualitative analysis, item-domain correlation analysis, multi-scaling analysis and factor analysis; the SF-36 scale was used as criterion to carry out correlation analysis for criterion-related validity. The reliability was evaluated by the internal consistency coefficients Cronbach's α, test-retest reliability Pearson correlation r. Paired t-tests were performed on data of ​​the scale before and after treatment, with Standardized Response Mean (SRM) being calculated to evaluate the responsiveness. RESULTS: The QLICD-OS, composed of a general module (28 items) and an osteoporosis-specific module (14 items), had good content validity. Correlation analysis and factor analysis confirmed the construct, with the item having a strong correlation (most > 0.40) with its own domains/principle components, and a weak correlation (< 0.40) with other domains/principle components. Correlation coefficient between the similar domains of QLICD-OS and SF-36 showed reasonable criterion-related validity, with all coefficients r being greater than 0.40 exception of physical function of SF-36 and physical domain of QLICD-OS (0.24). Internal consistency reliability of QLICD-OS in all domains was greater than 0.7 except the specific module. The test-retest reliability coefficients (Pearson r) in all domains and overall score are higher than 0.80. Score changes after treatment were statistically significant, with SRM ranging from 0.35 to 0.79, indicating that QLICD-OS could be rated as medium responsiveness. CONCLUSION: As the first osteoporosis-specific quality of life scale developed by the modular approach in China, the QLICD-OS showed good reliability, validity and medium responsiveness, and could be used to measure quality of life in osteoporosis patients.

Psychometric properties of the Chilean version of the quality of life questionnaire for multiple myeloma.

OBJECTIVES: To evaluate the internal consistency and construct validity of the QLQ-MY20 for assessing the quality of life in multiple myeloma survivors in Chile. METHODS: This was a cross-sectional study conducted between March 2020 and December 2022. It involved 118 individuals from two public hospitals. The QLQ-C30 and QLQ-MY20 questionnaires were used. Internal consistency was assessed using Cronbach's alpha(α), and construct validity was evaluated through hypothesis testing (Mann-Whitney and Spearman correlation). RESULTS: The average age of participants was 67.2 years (SD=9.2). Internal consistency for the complete scale was α=0.779, for the "disease symptoms" dimension α=0.671, for the "side effects of treatments" dimension α=0.538, and for the "future perspective" dimension α=0.670. Four of the five construct validity hypotheses were confirmed: women, individuals with worse performance status, those with pain, and those with worse fatigue showed more symptoms. CONCLUSIONS: The Chilean version of the QLQ-MY20 demonstrates adequate internal consistency and construct validity.

Cancer patient satisfaction regarding the quality of information received: psychometric validity of EORTC QLQ-INFO25.

OBJECTIVES: to psychometrically validate the European Organization for Research and Treatment of Cancer Core Quality of Life Questionnaire EORTC QLQ-INFO25 instrument and identify the domains that influence patients' perception of the information received. METHODS: a cross-sectional methodology with cancer patients in a Brazilian philanthropic hospital institution. Sociodemographic and clinical instruments, EORTC QLQ-C30, EORTC QLQ-INFO25 and Supportive Care Needs Survey - Short Form 34 were used. Analysis occurred using Cronbach's alpha coefficients, intraclass correlation, test-retest and exploratory factor analysis. RESULTS: 128 respondents participated. Cronbach's alpha coefficient was 0.85. The test-retest obtained p-value=0.21. In the factor analysis, one item was excluded. Satisfaction with the information received was 74%, with three areas with averages below 70%. In open-ended questions, there was a greater desire for information. CONCLUSIONS: validity evidence was obtained with instrument reliability, consistency and stability. Respondents expressed satisfaction with the information received.

Measurement properties of the Body Awareness Scale Movement Quality (BAS MQ) in persons on the autism spectrum: A preliminary Rasch analysis.

BACKGROUND: Persons on the autism spectrum exhibit poorer body awareness than neurotypical persons. Since movement quality may be regarded as an expression of body awareness, assessment of movement quality is important. Sound assessments of measurement properties are essential if reliable decisions about body awareness interventions for persons on the autism spectrum are to be made, but there is insufficient research. OBJECTIVE: To assess measurement properties of the Body Awareness Scale Movement Quality (BAS MQ) in an autism and a neurotypical reference group. METHODS: Persons on the autism spectrum (n=108) and neurotypical references (n=32) were included. All were assessed with BAS MQ. Data were analyzed according to the Rasch model. RESULTS: BAS MQ was found to have acceptable unidimensionality, supported by the fit statistics. The hierarchical ordering showed that coordination ability was the most difficult, followed by stability and relating. Response category functioning worked as intended for 19 out of 23 items. There were few difficult items, which decreased targeting. Reliability measures were good. BAS MQ discriminated between the autism and the reference groups, with the autism group exhibiting poorer movement quality, reflecting clinical observations and previous research. CONCLUSIONS: BAS MQ was found to have acceptable measurement properties, though suffering from problems with targeting item difficulty to person ability for persons on the autism spectrum. The BAS MQ may, along with experienced movement quality, contribute to clinically relevant information of persons on the autism spectrum, although we encourage refinements and further analyses to improve its measurement properties.

Validation of Tunisian Arabic version of Pittsburgh Sleep Quality Index in non-clinical adolescents.

INTRODUCTION: Sleep quality is a complex phenomenon with quantitative and subjective aspects that vary during adolescence. The prevalence of sleep disorders is not known in Tunisia due to the lack of validated tools. AIM: To translate and validate the questionnaire Pittsburgh Sleep Quality Index (PSQI) into Tunisian Arabic in middle school students. METHODS: We translated the PSQI into Tunisian Arabic based on the translation back-translation method. We conducted a cross-sectional study on a sample of 560 adolescents. Exploratory factor analysis was performed to study construct validity. To test reliability, the global internal consistency of the scale was computed. RESULTS: The construct validity was verified by factor analysis, proving that a single factor explained 30.3% of the overall variance. This model produced a good factor load for all the components. The analysis of the reliability showed an acceptable internal consistency (Cronbach's alpha=0.6). CONCLUSION: The Arabic Tunisian version of the PSQI is a psychometrically valid measure. The PSQI could be useful for the detection and evaluation of symptoms of sleep disorders, as well as for further studies and researches about associated factors with poor sleep quality in adolescent and youth.

Psychometric evaluation of the PCL-5: assessing validity, diagnostic utility, and bifactor structures.

Background: The changes DSM-5 brought to the diagnostic criteria for posttraumatic stress disorder (PTSD) resulted in revising the most widely used instrument in assessing PTSD, namely the Posttraumatic Checklist for DSM-5 (PCL-5).Objective: This study examined the psychometric properties of the Romanian version of the PCL-5, tested its diagnostic utility against the Structured Clinical Interview for DSM-5 (SCID-5), and investigated the latent structure of PTSD symptoms through correlated symptom models and bifactor modelling.Method: A total sample of 727 participants was used to test the psychometric properties and underlying structure of the PCL-5 and 101 individuals underwent clinical interviews using SCID-5. Receiver operating characteristic curve (ROC) analyses were performed to test the diagnostic utility of the PCL-5 and identify optimal cut-off scores based on Youden's J index. Confirmatory Factor Analyses (CFAs) and bifactor modelling were performed to investigate the latent structure of PTSD symptoms.Results: Estimates revealed that the PCL-5 is a valuable tool with acceptable diagnostic accuracy compared to SCID-5 diagnoses, indicating a cut-off score of >47. The CFAs provide empirical support for Anhedonia, Hybrid, and bifactor models. The findings are limited by using retrospective, self-report data and the high percentage of female participants.Conclusions: The PCL-5 is a psychometrically sound instrument that can be useful in making provisional diagnoses within community samples and improving trauma-informed practices.

This study offers an in-depth analysis of the Romanian version of the Posttraumatic Stress Disorder Checklist for DSM-5 (PCL-5), exploring its psychometric properties, diagnostic utility, and latent structure.An optimal cut-off score was identified for PTSD diagnosis using the SCID-5, providing essential insights into the diagnostic process and enhancing its utility in clinical assessments.Using bifactor modelling and other statistical methods, various PTSD models were compared to offer valuable guidance for future research, assessment, and interventions in this field.

Measurement tools for behaviours that challenge and behavioural function in people with intellectual disability: A systematic review and meta-analysis of internal consistency, inter-rater reliability, and test-retest reliability.

Behaviours that challenge (BtC) are common in people with intellectual disability (ID) and associated with negative long-term outcomes. Reliable characterisation of BtC and behavioural function is integral to person-centred interventions. This systematic review and meta-analytic study quantitatively synthesised the evidence-base for the internal consistency, inter-rater reliability, and test-retest reliability of measures of BtC and behavioural function in people with ID (PROSPERO: CRD42021239042). Web of Science, Embase, PsycINFO and MEDLINE were searched from inception to March 2024. Retrieved records (n = 3691) were screened independently to identify studies assessing eligible measurement properties in people with ID. Data extracted from 83 studies, across 29 measures, were synthesised in a series of random-effects meta-analyses. Subgroup analyses assessed the influence of methodological quality and study-level characteristics on pooled estimates. COSMIN criteria were used to evaluate the measurement properties of each measure. Pooled estimates ranged across measures: internal consistency (0.41-0.97), inter-rater reliability (0.29-0.93) and test-retest reliability (0.52-0.98). The quantity and quality of evidence varied substantially across measures; evidence was frequently unavailable or limited to a single study. Based on current evidence, candidate measures with the most evidence for internal consistency and reliability are discussed; however, continued assessment of measurement properties in ID populations is a key priority.

Psychometric Properties of the Spanish Motives for Online Gaming Questionnaire in a Sample of College Students.

This study investigates the psychometric properties of the Spanish version of the Motives for Online Gaming Questionnaire (MOGQ). We explored the factor structure and construct validity of the MOGQ through its relationships with gaming disorder symptoms (IGD-20) and impulsivity traits. We also analyzed if sociodemographic variables and gaming habits were related to gaming motives. An online cross-sectional survey was completed by 845 college students. Structure validity was examined using a combination of exploratory and confirmatory factor analyses, which supported a bifactor model composed of a general motivation factor and six uncorrelated factors (a mixed factor composed of escape and coping, competition, recreation, skill, social, and fantasy). Omega-hierarchical and omega coefficients were used to determine reliability of the MOGQ. The scale presented acceptable reliability for the general factor (ωh = .79) and the specific factor scores (social ω = .79, escape/coping ω = .81, competition ω = .79, skill ω = .84, fantasy ω = .82, and recreation ω = .70). Positive associations were observed between the MOGQ and the IGD-20 symptoms, with escape/coping (r = .48) and fantasy (r =.40) showing the strongest ones. Null or low correlations were observed with impulsivity traits. Motives to play varied significantly across genders. These findings provide evidence that the Spanish version of the MOGQ is a reliable and valid tool to assess motives to play online games.

Psychometric Properties of the Pictorial Scale of Perceived Movement Skill Competence for Young Norwegian Children.

The objective of this study was to examine the psychometric properties of the Pictorial Scale of Perceived Movement Skill Competence (PMSC) for young Norwegian children, a scale that is aligned with skills assessed in the Test of Gross Motor Development- Third Edition. We used convenience sampling to recruit 396 Norwegian-speaking children (7-10-year-olds) who completed the PMSC. A confirmatory factor analysis (CFA) confirmed factorial validity for the proposed three-factor model of the PMSC, encompassing measures of self-perceived ball, locomotor, and active play competence. Internal item consistency coefficients of these sub-scales were acceptable, and subsequent measurement invariant analysis found a gender difference such that boys rated their competence higher than girls in running, jumping forward, hitting a ball (racket), kicking, throwing a ball and rope climbing, while girls rated themselves higher, compared to boys, in galloping and skating/blading. Furthermore, there was a slightly better model fit for boys than for girls. Several items were significantly related to children's age, and the three-factor model exhibited differential age related factor mean differences across older and younger children. Overall, we found the PMSC to have acceptable psychometric properties for confident use in assessing perceived motor competence among 7-10-year-old Norwegian children, though we observed age and gender differences in children's responses that warrant careful interpretation of results and further research investigation.

Measurement Invariance in Intellectual and Developmental Disability Research.

Measurement invariance (MI) is a psychometric property of an instrument indicating the degree to which scores from an instrument are comparable across groups. In recent years, there has been a marked uptick in publications using MI in intellectual and developmental disability (IDD) samples. Our goal here is to provide an overview of why MI is important to IDD researchers and to describe some challenges to evaluating it, with an eye towards nudging our subfield into a more thoughtful and measured interpretation of studies using MI.

Psychometric properties of the Parkinson's disease Questionnaire-39 and its short form Parkinson's disease Questionnaire-8: A systematic review and meta-analysis.

Parkinson's disease (PD) affects Quality of Life (QoL), since it is responsible for cognitive impairment, non-motor, and motor symptoms. Outcome measures are fundamental for evaluating treatment's effect on QoL over time. This systematic review aimed to identify the psychometric properties of PDQ-39 and PDQ-8 in the different populations in which they were validated. The electronic databases systematically searched are MEDLINE (via PubMed), CINAHL, SCOPUS, and Web of Science; the research was conducted in July 2023. The psychometric properties considered were those of the COnsensus-based Standards for the selection of health Measurement Instruments (COSMIN) checklist. Risk of bias was assessed using the COSMIN checklist. The search identified 1306 articles. 398 duplicates were eliminated; 908 articles were analyzed reading title and abstract; 799 were finally excluded because used PDQ-39 and PDQ-8 as outcome measures or were not dealing with psychometric properties; 66 articles were excluded after reading the full text. 43 articles were included in the review; meta-analysis showed all the Cronbach's alpha values were statistically significant for all the subscales of PDQ-39 and PDQ-8. PDQ-39 demonstrated to be a specific HRQoL questionnaire that is correlated with generic HRQoL questionnaires, in fact in many studies included in the review, correlations with SF-36 were found. In the last studies about psychometric properties of PDQ-8 emerged that it is a practical and informative instrument that can be easily used in clinical settings, especially in busy ones, but also in large-scale studies in which a brief instrument would be preferred.

Assessing complex PTSD and PTSD: validation of the German version of the International Trauma Interview (ITI).

Background: With the introduction of the ICD-11 into clinical practice, the reliable distinction between Posttraumatic Stress Disorder (PTSD) and Complex Posttraumatic Stress Disorder (CPTSD) becomes paramount. The semi-structured clinician-administered International Trauma Interview (ITI) aims to close this gap in clinical and research settings.Objective: This study investigated the psychometric properties of the German version of the ITI among trauma-exposed clinical samples from Switzerland and Germany.Method: Participants were 143 civilian and 100 military participants, aged M = 40.3 years, of whom 53.5% were male. Indicators of reliability and validity (latent structure, internal reliability, inter-rater agreement, convergent and discriminant validity) were evaluated. Confirmatory factor analysis (CFA) and partial correlation analysis were conducted separately for civilian and military participants.Results: Prevalence of PTSD was 30% (civilian) and 33% (military) and prevalence of CPTSD was 53% (civilians) and 21% (military). Satisfactory internal consistency and inter-rater agreement were found. In the military sample, a parsimonious first-order six-factor model was preferred over a second-order two-factor CFA model of ITI PTSD and Disturbances in Self-Organization (DSO). Model fit was excellent among military participants but no solution was supported among civilian participants. Overall, convergent validity was supported by positive correlations of ITI PTSD and DSO with DSM-5 PTSD. Discriminant validity for PTSD symptoms was confirmed among civilians but low in the military sample.Conclusions: The German ITI has shown potential as a clinician-administered diagnostic tool for assessing ICD-11 PTSD and CPTSD in primary care. However, further exploration of its latent structure and discriminant validity are indicated.

This study validated the German International Trauma Interview (ITI), a semi-structured clinician-administered diagnostic interview for ICD-11 Posttraumatic Stress Disorder and Complex Posttraumatic Stress Disorder.Internal reliability, inter-rater agreement, latent structure, and convergent validity were explored in trauma-exposed clinical and military samples from five different in- and outpatient centres in Germany and German-speaking Switzerland.The findings supported the German ITI's reliability, inter-rater agreement, convergent validity and usefulness from a patient perspective. Future research should explore its factor structure and discriminant validity, for which differences between the samples were found.