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1.
Psychol Sci ; 35(4): 405-414, 2024 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-38489402

RESUMO

Ethnic out-group members are disproportionately more often the victim of misidentifications. The so-called other-race effect (ORE), the tendency to better remember faces of individuals belonging to one's own ethnic in-group than faces belonging to an ethnic out-group, has been identified as one causal ingredient in such tragic incidents. Investigating an important aspect for the ORE-that is, emotional expression-the seminal study by Ackerman and colleagues (2006) found that White participants remembered neutral White faces better than neutral Black faces, but crucially, Black angry faces were better remembered than White angry faces (i.e., a reversed ORE). In the current study, we sought to replicate this study and directly tackle the potential causes for different results with later work. Three hundred ninety-six adult White U.S. citizens completed our study in which we manipulated the kind of employed stimuli (as in the original study vs. more standardized ones) whether participants knew of the recognition task already at the encoding phase. Additionally, participants were asked about the unusualness of the presented faces. We were able to replicate results from the Ackerman et al. (2006) study with the original stimuli but not with more standardized stimuli.


Assuntos
Ira , Rememoração Mental , Adulto , Humanos , Reconhecimento Psicológico , Etnicidade , Expressão Facial
2.
Proc Natl Acad Sci U S A ; 118(13)2021 03 30.
Artigo em Inglês | MEDLINE | ID: mdl-33753514

RESUMO

False memories of autobiographical events can create enormous problems in forensic settings (e.g., false accusations). While multiple studies succeeded in inducing false memories in interview settings, we present research trying to reverse this effect (and thereby reduce the potential damage) by means of two ecologically valid strategies. We first successfully implanted false memories for two plausible autobiographical events (suggested by the students' parents, alongside two true events). Over three repeated interviews, participants developed false memories (measured by state-of-the-art coding) of the suggested events under minimally suggestive conditions (27%) and even more so using massive suggestion (56%). We then used two techniques to reduce false memory endorsement, source sensitization (alerting interviewees to possible external sources of the memories, e.g., family narratives) and false memory sensitization (raising the possibility of false memories being inadvertently created in memory interviews, delivered by a new interviewer). This reversed the false memory build-up over the first three interviews, returning false memory rates in both suggestion conditions to the baseline levels of the first interview (i.e., to ∼15% and ∼25%, respectively). By comparison, true event memories were endorsed at a higher level overall and less affected by either the repeated interviews or the sensitization techniques. In a 1-y follow-up (after the original interviews and debriefing), false memory rates further dropped to 5%, and participants overwhelmingly rejected the false events. One strong practical implication is that false memories can be substantially reduced by easy-to-implement techniques without causing collateral damage to true memories.


Assuntos
Memória Episódica , Rememoração Mental , Adulto , Feminino , Humanos , Masculino , Sugestão , Adulto Jovem
3.
Arch Sex Behav ; 52(3): 1095-1104, 2023 04.
Artigo em Inglês | MEDLINE | ID: mdl-36944763

RESUMO

People assign attributes to a different degree to other persons depending on whether these are male or female (sex role stereotypes). Such stereotypes continue to exist even in countries with lower gender inequality. The present research tested the idea that parents develop sex role consistent expectations of their babies' attributes based on fetal sex (by ultrasound diagnostic), as well as gendered perceptions of their recently newborn babies. A total of 304 dyads of predominantly White expecting parents from Germany were followed over the course of pregnancy until after the birth and completed a sex role inventory on their babies' expected (before birth) as well as perceived traits (after birth). Specifically, they rated to what extent they expected their babies to have normatively feminine traits (e.g., soft-spoken and warm) and normatively masculine traits (e.g., independent and assertive) twice before birth (first half of pregnancy, six weeks before due date) and to what extent they perceived their baby to have these traits eight weeks after birth. The results suggested that fathers held gendered expectations and perceptions, whereas mothers did not. These results suggest that male and female babies are likely to encounter sex role stereotypes about their alleged attributes as soon as their birth.


Assuntos
Papel de Gênero , Motivação , Gravidez , Recém-Nascido , Humanos , Masculino , Feminino , Identidade de Gênero , Mães , Pais
4.
Arch Sex Behav ; 49(4): 1333-1343, 2020 05.
Artigo em Inglês | MEDLINE | ID: mdl-32130561

RESUMO

Despite the lack of evidence for negative health effects of masturbation, abstinence from masturbation is frequently recommended as a strategy to improve one's sexual self-regulation. We adopted a framework of perceived problems with pornography to collect first hints about whether abstinence from masturbation stems from a psychological and behavioral "addiction" or conflicting attitudes. In an online questionnaire survey recruited via a non-thematic Reddit thread (n = 1063), most participants reported that they had tried to be abstinent from masturbation. As visible from zero-order correlations and multiple linear regression, motivation for abstinence was mostly associated with attitudinal correlates, specifically the perception of masturbation as unhealthy. While there were associations with hypersexuality, no significant correlation with behavioral markers such as maximum number of orgasms was found. Higher abstinence motivation was related to a higher perceived impact of masturbation, conservatism, and religiosity and to lower trust in science. We argue that research on abstinence from masturbation can enrich the understanding of whether and how average frequencies of healthy behavior are pathologized.


Assuntos
Masturbação/psicologia , Abstinência Sexual/psicologia , Comportamento Sexual/psicologia , Adulto , Feminino , Humanos , Masculino , Adulto Jovem
5.
Arch Sex Behav ; 49(2): 531-550, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-31696350

RESUMO

It is almost a cultural truism that erotic images attract our attention, presumably because paying attention to erotic stimuli provided our ancestors with mating benefits. Attention, however, can be narrowly defined as visuospatial attention (keeping such stimuli in view) or more broadly as cognitive attention (such stimuli taking up one's thoughts). We present four independent studies aiming to test the extent to which erotic images have priority in capturing visuospatial versus cognitive attention. Whereas the former would show in quicker reactions to stimuli presented in locations where erotic images appeared previously, the latter causes delayed responding after erotic images, independent of their location). To this end, we specifically modified spatial cueing tasks to disentangle visuospatial attention capture from general sexual content-induced delay (SCID) effects-a major drawback in the previous literature. Consistently across all studies (total N = 399), we found no evidence in support of visuospatial attention capture but reliably observed an unspecific delay of responding for trials in which erotic images appeared (irrespective of cue location). This SCID is equally large for heterosexual men and women and reliably associated with their self-reported sexual excitability.


Assuntos
Atenção/fisiologia , Cognição/fisiologia , Literatura Erótica/psicologia , Navegação Espacial/fisiologia , Adolescente , Adulto , Feminino , Humanos , Masculino , Comportamento Sexual/psicologia , Adulto Jovem
6.
Arch Sex Behav ; 48(7): 2217-2228, 2019 10.
Artigo em Inglês | MEDLINE | ID: mdl-31236802

RESUMO

During the last decades, there has been a substantial change in family structure in Western societies. The standing of the classical nuclear family has changed from the norm to just one option out of many, and the understanding of family has diversified. Biologically deterministic conceptions of parenthood have thus started to erode. Despite this, the circumstances under which a biological father is perceived as a social father have not been studied so far. Across four experimental studies, we tried to explore the antecedents which explain differences in the ascription of social fatherhood. Study 1 (N = 85) provided strong support for the notion that the level of perceived social fatherhood differs between one-night stands and sperm donation. Three additional experiments empirically tested the plausibility of three potential reasons for this large difference. Study 2 (N = 88) provided no support for the role of the naturalness of the insemination process. Study 3 (N = 341) tested the role of the time of negotiation of fatherhood but did not provide support for the idea that the time of negotiating fatherhood (before vs. after conception) determines attributions of responsibility. A final Study 4 (N = 173), however, supported the notion that a woman's strategy of negotiating sex as a functional means to achieve a pregnancy reduced paternal responsibility. The sex of the rater as an independent variable did not have any effect on the ascriptions of fatherhood. Across all studies, we neither found a main effect of sex of the rater on ascription of fatherhood nor an interaction with the experimental condition. The results of the studies are discussed with respect to changing conceptions of fatherhood.


Assuntos
Pai/psicologia , Espermatozoides/fisiologia , Adulto , Relações Pai-Filho , Feminino , Humanos , Masculino
7.
Arch Sex Behav ; 48(2): 631-644, 2019 02.
Artigo em Inglês | MEDLINE | ID: mdl-30062603

RESUMO

Traditional sexual scripts are characterized by a gendered power inequality (male dominance vs. female submission) (Sanchez, Fetterolf, & Rudman, 2012). Although gender differences in a variety of sexual behaviors have been decreasing, research into sexual scripts provides some support for the existence of traditional sexual scripts adherence. Study 1a and 1b focused on men's evaluations of sexual script deviation in women (i.e., sexually assertive behavior) and the possible disapproval of these behaviors (backlash effects). Participants (381 and 382 self-identified heterosexual men) were presented with a randomly assigned vignette describing a hypothetical sexual scenario in which a woman behaved either sexually assertive or sexually timid. Both studies indicated that men to some extent expressed disapproval of sexually assertive women. With the aim to assess if backlash effects were due to women's sexual script deviation or if there was an overall negative evaluation of sexually assertive behavior irrespective of the target's gender, in Study 2 we focused on the perception of sexually assertive behavior in both women and men (N = 268). Although we found that gender role conformity was held for women, but not for men, the results suggest that the negative evaluation of sexual assertiveness was not due to script deviation, but that there is an overall conservative attitude toward sexually assertive behavior. Our study provides some insight into the motives of traditional sexual script adherence particularly for women.


Assuntos
Identidade de Gênero , Homens/psicologia , Transtornos Parafílicos/psicologia , Comportamento Sexual/psicologia , Mulheres/psicologia , Feminino , Heterossexualidade/psicologia , Humanos , Masculino
8.
Arch Sex Behav ; 48(5): 1387-1401, 2019 07.
Artigo em Inglês | MEDLINE | ID: mdl-31175510

RESUMO

The current research explored continuous behavioral processes by recording participants' hand movements toward a response option using Mousetracker software. Across three studies, we tested the idea that sexual interest-related decisions can be indexed using automatic movements. Using a UK sample of self-identified same- and opposite-gender attracted men (N = 43), Study 1 showed that the process of approaching the response button was faster, more direct, and less curved when participants responded from their own (vs. a non-preferred) perspective. Study 2 supported these findings using a German sample of self-identified same- and opposite-gender attracted men (N = 66). Using a teleiophilic sample of 100 self-identified opposite-gender attracted men (n = 51) and women (n = 49), Study 3 examined age-specific sexual interests (i.e., responding to stimuli from a pedophilic and a teleiophilic perspective). As expected, in the teleiophilic block, participants' responses were faster, more direct, and less curved than in the pedophilic block. Collectively, the results suggest that mousetracking shows promise as a measure of sexual interest (across the dimension of both gender and age), providing grounds for future research.


Assuntos
Tomada de Decisões/fisiologia , Comportamento Sexual/psicologia , Adulto , Animais , Identidade de Gênero , Humanos , Masculino , Adulto Jovem
9.
J Nerv Ment Dis ; 207(6): 423-428, 2019 06.
Artigo em Inglês | MEDLINE | ID: mdl-31045952

RESUMO

Assessments based on reaction time and language-based interviews postulate that unconscious attachment processes be measured. Nevertheless, a possible empirical equivalence of these two approaches has not yet been investigated. To fill this void, the Adult Attachment Interview and the Implicit Association Test were implemented with a group of patients with panic disorder (n = 157, mean age = 29, SD = 2.47) based on the Structured Clinical Interview for DSM-IV, axis I and II disorders and a group of healthy individuals (n = 138). In total, the securely attached individuals showed significantly more positive attitudes toward their mother than the insecurely attached individuals. In the healthy individuals, the secure and disorganized classifications showed significantly more positive attitudes toward the mother in comparison with the insecure attachment classification, as well as the patient group. In summary, implicit attachment patterns based on reaction times are not equivalent to an attachment representation based on language markers. For the disorganized attachment representation, no differences were present between the information processing of the memory/association network and the autobiographic memory function.


Assuntos
Agorafobia/fisiopatologia , Relações Mãe-Filho , Apego ao Objeto , Transtorno de Pânico/fisiopatologia , Inconsciente Psicológico , Adolescente , Adulto , Idoso , Associação , Feminino , Humanos , Masculino , Memória Episódica , Pessoa de Meia-Idade , Testes Neuropsicológicos , Adulto Jovem
10.
Psychopathology ; 52(3): 184-190, 2019.
Artigo em Inglês | MEDLINE | ID: mdl-31401628

RESUMO

BACKGROUND: Different studies have shown that a patient's attachment correlates with the psychotherapy outcome. However, these findings are based on the traditional interview and paper and pencil attachment methods. Latency-based methods like the Implicit Association Test (IAT) have not yet been investigated in clinical attachment research, specifically in therapy outcome research. OBJECTIVES: It can be hypothesized that patients with positive schemas of their mother and their partner may show a better psychotherapeutic outcome than those with less positive schemas of their mother/partner. METHOD: A sample of 103 patients suffering from panic disorder with or without agoraphobia (age 36.73, SD = 10.80), including 56% of patients with affective or other anxiety disorders as comorbidities without a personality disorder, based on the Structured Clinical Interview for DSM-IV (SCID-I/II), were treated with a manualized cognitive-behavioral confrontation therapy. Two IATs (for mother and partner) were implemented before the therapy (t1). The symptom reduction was assessed by the Symptom Checklist-90 (SCL-90) and the Beck Depression Inventory (BDI) with symptoms at t1 and IAT at t1 as predictors of symptoms at t2. RESULTS: The results confirmed a moderate to high therapeutic effect of the confrontation therapy. Furthermore, the mother's IAT at t1 predicted the Global Severity Index (ß = 0.20) as well as the Anxiety subscale (ß = 0.18) at t2 above and beyond the t1 measurement of the criteria. CONCLUSIONS: Implicit attitudes of the mother predicted the symptom reduction and a better therapeutic outcome. Relationship aspects with less impact awareness predicted the therapeutic outcome, even though mostly cognitive-behavioral techniques were used.


Assuntos
Manual Diagnóstico e Estatístico de Transtornos Mentais , Transtorno de Pânico/psicologia , Psicoterapia/métodos , Adulto , Feminino , Humanos , Masculino , Resultado do Tratamento
11.
Cogn Emot ; 33(2): 231-244, 2019 03.
Artigo em Inglês | MEDLINE | ID: mdl-29468932

RESUMO

Spatial cueing paradigms are popular tools to assess human attention to emotional stimuli, but different variants of these paradigms differ in what participants' primary task is. In one variant, participants indicate the location of the target (location task), whereas in the other they indicate the shape of the target (identification task). In the present paper we test the idea that although these two variants produce seemingly comparable cue validity effects on response times, they rest on different underlying processes. Across four studies (total N = 397; two in the supplement) using both variants and manipulating the motivational relevance of cue content, diffusion model analyses revealed that cue validity effects in location tasks are primarily driven by response biases, whereas the same effect rests on delay due to attention to the cue in identification tasks. Based on this, we predict and empirically support that a symmetrical distribution of valid and invalid cues would reduce cue validity effects in location tasks to a greater extent than in identification tasks. Across all variants of the task, we fail to replicate the effect of greater cue validity effects for arousing (vs. neutral) stimuli. We discuss the implications of these findings for best practice in spatial cueing research.


Assuntos
Sinais (Psicologia) , Emoções/fisiologia , Processos Mentais/fisiologia , Percepção Espacial/fisiologia , Adolescente , Adulto , Atenção/fisiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Tempo de Reação/fisiologia , Adulto Jovem
12.
Arch Sex Behav ; 47(2): 353-361, 2018 02.
Artigo em Inglês | MEDLINE | ID: mdl-28799101

RESUMO

Recent research has established marked punitive attitudes against people sexually interested in children. These negative attitudes are even more pronounced when such sexual interest is labeled as pedophilia, but are attenuated to the extent that such sexual interest is perceived as beyond one's own control (unintentional). We explored these effects in more detail by separately manipulating the label (pedophiles vs. people with sexual interest in prepubescent children) and degree of intentionality (pedophilia or sexual desire as malleable vs. not malleable). Participants recruited via an online platform (N = 423) were randomly assigned to the experimental conditions and asked to rate degree of intentionality, dangerousness, deviance, and punitive attitudes toward people sexually interested in children. As expected, participants expressed stronger punitive attitudes when the label was present. The manipulation of intentionality, however, was not successful. Further analyses explored whether participants found the notion that sexual interest cannot be altered at will more credible than the opposite, particularly in presence of the pedophilia label. The results are discussed with regard to the significance of and potential intervention against the markedly strong public stigma against people with pedophilia.


Assuntos
Pedofilia/psicologia , Delitos Sexuais/psicologia , Comportamento Sexual/psicologia , Adolescente , Adulto , Idoso , Atitude , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Estigma Social , Adulto Jovem
13.
Arch Sex Behav ; 49(8): 2755-2759, 2020 11.
Artigo em Inglês | MEDLINE | ID: mdl-32955653
14.
Arch Sex Behav ; 44(1): 35-44, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-25501864

RESUMO

In the present research, we addressed the question of whether people harbor punitive attitudes against individuals sexually interested in children even if no sexual offense is mentioned and whether this effect is amplified by the clinical label pedophilia. In two online studies (total N = 345), participants rated the extent to which they saw individuals sexually interested in children as necessarily committing child sexual abuse (dangerousness), responsible for their sexual interest (intentionality), and clinically disordered (deviance) before judging their endorsement of means of punishment (punitive attitudes). Participants were randomly assigned to one of two conditions in which either the "pedophilia" label or the descriptive term "sexual interest in (prepubescent) children" was included in all items. Across both studies, results showed high degrees of punitive attitudes against sexually deviant men, an effect that was particularly pronounced if the pedophilia label was present. Whereas this was only latently observable in Study 1 (concealed by a suppression effect of reduced ascriptions of intentionality), in Study 2 no such suppression was observed. Unlike any other stigma we know of, punitive attitudes against pedophiles were associated positively with social desirability, suggesting that participants saw it as particularly socially desirable to condemn someone based on their deviant sexual interest.


Assuntos
Atitude , Pedofilia/psicologia , Estigma Social , Adolescente , Adulto , Idoso , Feminino , Alemanha/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Pedofilia/epidemiologia , Delitos Sexuais , Adulto Jovem
16.
Arch Sex Behav ; 44(1): 21-34, 2015 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-24948422

RESUMO

Despite productive research on stigma and its impact on people's lives in the past 20 years, stigmatization of people with pedophilia has received little attention. We conducted two surveys estimating public stigma and determining predictors of social distance from this group. In both studies, pedophilia was defined as a "dominant sexual interest in children." The survey was comprised of items measuring agreement with stereotypes, emotions, and social distance (among others). Responses were compared with identical items referring to either people who abuse alcohol (Study 1), sexual sadists or people with antisocial tendencies (Study 2). Study 1 was conducted in two German cities (N = 854) and Study 2 sampled 201 English-speaking online participants. Both studies revealed that nearly all reactions to people with pedophilia were more negative than those to the other groups, including social distance. Fourteen percent (Study 1) and 28 % (Study 2) of the participants agreed that people with pedophilia should better be dead, even if they never had committed criminal acts. The strongest predictors of social distance towards people with pedophilia were affective reactions to this group (anger and, inversely, associated, pity) and the political attitude of right-wing authoritarianism (Study 1). Results strongly indicate that people with pedophilia are a stigmatized group who risk being the target of fierce discrimination. We discuss this particular form of stigmatization with respect to social isolation of persons with pedophilia and indirect negative consequences for child abuse prevention.


Assuntos
Pedofilia/epidemiologia , Pedofilia/psicologia , Estigma Social , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Alcoolismo/epidemiologia , Atitude , Coleta de Dados , Feminino , Alemanha/epidemiologia , Humanos , Masculino , Pessoa de Meia-Idade , Adulto Jovem
17.
Arch Sex Behav ; 43(6): 1123-36, 2014 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-25091213

RESUMO

Men have been shown to estimate their likelihood of engaging in sexually coercive behaviors and also uncommon and unprotected sexual behaviors as higher when they are in an acute state of sexual arousal. The present research sought to test (1) whether sexual arousal effects could be replicated under more controlled laboratory settings, (2) whether women showed the same pattern of results, and (3) whether this effect was specific to sexual disinhibition or would generalize to non-sexual disinhibited behavior. In two experimental studies, male and female participants (Study 1: N = 84; Study 2: N = 86) were either sexually aroused by acoustically presented erotic narratives or listened to sexually non-arousing neutral narratives. Afterwards, they self-estimated their likelihood of engaging in a variety of behaviors that could be characterized as sexual or non-sexual disinhibited behavior. Results replicated the previously established effect of sexual disinhibition under sexual arousal for men and provided the first evidence for a similar effect in women. No arousal effects were observed for non-sexual behavior, rendering alternative explanations based on mere indifferent responding unlikely. The discussion focused on a plausible explanation for this effect.


Assuntos
Nível de Alerta/fisiologia , Inibição Psicológica , Comportamento Sexual/fisiologia , Comportamento Sexual/psicologia , Adolescente , Adulto , Literatura Erótica/psicologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Projetos Piloto , Fatores Sexuais , Adulto Jovem
18.
J Pers Soc Psychol ; 2024 May 02.
Artigo em Inglês | MEDLINE | ID: mdl-38695791

RESUMO

White people confuse Black faces more than their own-race faces. This is an example of the other-race effect, commonly measured by the other-race face recognition task. Like this task, the "Who said what?" paradigm uses within-race confusions in memory, but to measure social categorization strength. The former finds a strongly asymmetrical pattern of interrace perception, the other-race effect, yet the latter usually finds symmetrical patterns (equally strong categorization of own-race and other-race faces). In a "Who said what?" meta-analysis, racial categorization and individuation across races were only weakly asymmetrical (Study 1, n = 2,669). We aimed to resolve this empirical misalignment. As tested in other-race face recognition tasks, the weak asymmetry was not due to the limited number of portrait stimuli (Study 2, N = 99) nor to the longer duration of stimulus presentation in the "Who said what?" task (Study 4, n = 358). Pairing portraits with statements reduced the other-race effect (Study 3, n = 126). Showing each portrait repeatedly also reduced the other-race effect (Study 4, n = 358; Study 5, n = 470) but did not decrease infrahumanization of Black portraits (Study 6, n = 487). Consequently, presenting portraits only once in the "Who said what?" paradigm (Study 7, N = 112) resulted in strong interrace categorization and individuation asymmetries. This finding bridges a central conceptual gap between the other-race effect and social categorization strength. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

19.
Arch Sex Behav ; 42(6): 1033-41, 2013 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23430086

RESUMO

Sexual narcissism (SN) has recently been proposed to be a specific risk factor for the perpetration of sexual coercion based on both self-reports of previous behavior and self-estimated likelihood of engaging in acts of sexual violence. To explore one of the potential underlying mechanisms of SN, we tested whether for highly sexually narcissistic males (measured with the German language version of the Sexual Narcissism Scale) the subtle priming of sexual concepts would evoke aggressive behavior in a standard measure of aggressive behavior, the Taylor Aggression Paradigm. Results showed that only for sexually narcissistic men did a subtle priming with mildly erotic words lead to an increase in shock volumes administered to the alleged competitor on this task. For women, it was postulated that physical force would not be represented as a functional behavioral script for sexually narcissistic females and, in line with this hypothesis, no effects were found for women. The results were discussed with regard to the underlying processes of SN and the importance of an individual difference perspective in sex-aggression links.


Assuntos
Agressão/psicologia , Individualidade , Narcisismo , Comportamento Sexual/psicologia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade
20.
J Pers Soc Psychol ; 124(4): 735-753, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-35925704

RESUMO

We address an apparent discrepancy in the literature on how context stimuli influence evaluations of target stimuli. While a rich literature suggests that target evaluations are often contrasted away from the valence of context stimuli, reported effects of evaluative conditioning (EC) are almost exclusively assimilative. Specifically, when a neutral conditioned stimulus (CS) repeatedly co-occurs with a positive unconditioned stimulus (US), the CS is later evaluated more positively. Contrast effects from mere co-occurrences are absent in the EC literature. We hypothesized that this can be explained by the stimulus composition in EC tasks, which usually depict different objects as target (CS) and context (US). In 10 experiments, we confirmed that when target and context stimuli depict different objects, assimilation clearly dominates. Yet, when target and context depict stimuli from the same object class, contrast effects become dominant. These contrast effects are invisible in standard EC tasks because CSs are contrasted with all positive and negative USs of a given stimulus set. The present work thereby identifies a central determinant of the direction that evaluative context and conditioning effects take. While different-object contexts evoke assimilation, same-object contexts increase the likelihood of contrastive evaluations. We discuss the various theoretical and practical implications of our findings. (PsycInfo Database Record (c) 2023 APA, all rights reserved).


Assuntos
Condicionamento Clássico , Humanos , Condicionamento Clássico/fisiologia , Probabilidade
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