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1.
J Chem Educ ; 101(6): 2266-2278, 2024 Jun 11.
Artículo en Inglés | MEDLINE | ID: mdl-38974322

RESUMEN

This paper presents a phenomenographic investigation on students' experiences about research and poster presentations in a workshop-based undergraduate research experience with a focus on how the experience connects to the Science and Engineering Practices (SEPs) of the NRC A Framework for K-12 Science Education and the principles of CUREs. This provides insight into how these structured research experiences reflect particular SEPs and also elements of scientific practice that are not captured in the SEPs as they have been formulated previously. This work showcases the importance of future applications, failure, and creativity as additional science practices necessary for students to engage in authentic science. The SEPs and the additional elements of scientific practice are related to how students experience meaningful learning in the cognitive, psychomotor, and affective domains. Students highlighted the components of CUREs: importance of contributing relevant discoveries as a motivation for their research, the value of repetition and iteration in ensuring reliable and valid results, and the role of collaboration in seeing new perspectives and solving problems. As a result of presenting their results through a poster, students reported deeper understanding of their research topic, increased ability to articulate scientific concepts, and a better understanding of how to create a visually appealing poster. Students changed the vocabulary they used in their presentations to fit the knowledge level of their audience and highlighted their data in figures and explained other parts of their work in text. Moreover, they saw the poster as an outlet for their creativity.

2.
J Chem Educ ; 100(8): 2873-2886, 2023 Aug 08.
Artículo en Inglés | MEDLINE | ID: mdl-37576851

RESUMEN

This article examines student experiences in a workshop-based undergraduate research experience studying the activity and inhibition of salivary amylase that provides students with the chance to participate in authentic scientific research prior to the start of their undergraduate studies, following the structure of a course-based undergraduate research experience (CURE). Understanding student experiences at this point in their studies is important because research experiences at the beginning of university studies have been shown to increase retention in STEM. This study utilizes meaningful learning and situated cognition as theoretical frameworks and phenomenography as a methodological framework, applied to data from semi-structured interviews with six students. The student experiences were characterized as an outcome space detailing the degree of their meaningful learning with respect to their understanding of the research process, nature of science, and the poster creation and presentation process. The findings highlight that meaningful learning is achieved when research is connected to students' personal lives and/or future job interests. The research process and nature of science must also be made explicit to students by emphasizing the iterative nature of research and highlighting distinctions between science and non-science fields. All participating students displayed an understanding that anyone can partake in science anywhere. Implications for building on this work to develop an understanding of students' sense of belonging and self-identity are also discussed.

3.
J Chem Educ ; 99(12): 4085-4093, 2022 Dec 13.
Artículo en Inglés | MEDLINE | ID: mdl-37519308

RESUMEN

The goal of undergraduate chemistry laboratories is to allow students to learn about chemical systems and key laboratory skills. They should then apply this knowledge to solve problems and connect macroscopic observations in the laboratory with those occurring at the submicroscopic level. Unfortunately, these needs are not met through traditional confirmation labs. Therefore, many chemistry instructors are turning towards research-based labs course-based undergraduate research experiences (CUREs). There are also many cases where summer workshops, often with non-traditional pedagogy, are used for students. This article describes the STEM CoLab Program, a novel type of summer workshop that seeks to build student chemistry knowledge and skills in research and presentation at the beginning of their college work. This program uses the principles of CUREs for students who are just entering the university, mostly as freshmen. Several different phenomena have been investigated during the program. In this paper, we report the overall work of the program from 2016 through 2021 and provide additional details on the program's implementation in 2020 and 2021 when students conducted their work from home, using a combination of a take home research kit for studying salivary amylase "in vitro" and computer-based visualizations of amylase-inhibitor interactions "in silico" using PyMOL and online docking tools.

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