Value of Case-Based Learning within STEM Courses: Is It the Method or Is It the Student?
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ABSTRACT:
SUBMITTER: Rhodes A
PROVIDER: S-EPMC8711838 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Problem-based learning (PBL) has been effectively used within BME education, though there are several challenges in its implementation within courses with larger enrollments. Furthermore, the sudden transition to online learning from the COVID-19 pandemic introduced additional challenges in creating a similar PBL experience in an online environment. Online constrained PBL was implemented through asynchronous modules and synchronous web conferencing with rotating facilitators. Overall, facilitators perceived web conferencing facilitation to be similar to in-person, but noted that students were more easily “hidden” or distracted. Students did not comment on web conferencing facilitation specifically, but indicated the transition to online PBL was smooth. Course instructors identified that a fully synchronous delivery as well as modifications of Group Meeting Minutes assignments as potential modifications for future offerings. Future work will aim to address the perceptions and effectiveness of web conferencing facilitation for PBL courses within an undergraduate BME curriculum, as web conferencing could prove to be another significant breakthrough in addressing challenges of problem-based learning courses.
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Project description:This study aimed to analyze the learning style of dentistry students in self-instructional courses to assist in pedagogical planning and to choose the most appropriate educational resources for the students' learning profile. A sample of 122 students who responded to the Learning Styles Questionnaire was analyzed. For statistical purposes, correlation analysis, chi-square test, odds ratio, and Student's t-test were performed. In the analyzed sample, there was a higher prevalence of students in the theoretical and reflector styles, and a lower prevalence of students in the activist and pragmatic styles. An analysis of educational resources demonstrated the predominance of theoretical and reflective content. The data show a statistically significant reduction of about 74% in the chances of passing for the activist-pragmatists group compared to other students (χ2(1, N = 122) = 5.795, p < 0.05, odds ratio = 0.26). On the other hand, reflector students who exhibited a lower preference for the activist style had a higher chance of course completion, with a 3.33-fold increase in the likelihood of passing the course (χ2(1, N = 122) = 5.637, p < 0.05, odds ratio = 3.33). These findings highlight the importance of considering students' learning styles in educational planning and resource selection to optimize student performance. Further research is warranted to explore the implications of these findings and to investigate additional factors that may influence student success in self-instructional courses.
| S-EPMC10374043 | biostudies-literature
Project description:Despite many calls to reform undergraduate science, technology, engineering, and math (STEM) education to incorporate active learning into classes, there has been little attention paid to graduate level classrooms or courses taught by graduate students. Here, we set out to understand if and how STEM graduate students' perceptions of active learning change in the classes they take versus those they teach. We found that graduate students had taken relatively few graduate level classes using active learning and they felt that more time should be devoted to active learning in the courses they were taking. Teaching assistants felt that they were devoting the right amount of class time to active learning in the classes they taught. Graduate students also felt that they were using teaching methods in the classes they taught that were different from those they thought should be used when teaching undergraduates and were different from how they preferred to learn when taking classes.
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Project description:Following years of widespread use in business and medical education, the case study teaching method is becoming an increasingly common teaching strategy in science education. However, the current body of research provides limited evidence that the use of published case studies effectively promotes the fulfillment of specific learning objectives integral to many biology courses. This study tested the hypothesis that case studies are more effective than classroom discussions and textbook reading at promoting learning of key biological concepts, development of written and oral communication skills, and comprehension of the relevance of biological concepts to everyday life. This study also tested the hypothesis that case studies produced by the instructor of a course are more effective at promoting learning than those produced by unaffiliated instructors. Additionally, performance on quantitative learning assessments and student perceptions of learning gains were analyzed to determine whether reported perceptions of learning gains accurately reflect academic performance. The results reported here suggest that case studies, regardless of the source, are significantly more effective than other methods of content delivery at increasing performance on examination questions related to chemical bonds, osmosis and diffusion, mitosis and meiosis, and DNA structure and replication. This finding was positively correlated to increased student perceptions of learning gains associated with oral and written communication skills and the ability to recognize connections between biological concepts and other aspects of life. Based on these findings, case studies should be considered as a preferred method for teaching about a variety of concepts in science courses.
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Project description:Previous research has suggested that adding active learning to traditional college science lectures substantially improves student learning. However, this research predominantly studied courses taught by science education researchers, who are likely to have exceptional teaching expertise. The present study investigated introductory biology courses randomly selected from a list of prominent colleges and universities to include instructors representing a broader population. We examined the relationship between active learning and student learning in the subject area of natural selection. We found no association between student learning gains and the use of active-learning instruction. Although active learning has the potential to substantially improve student learning, this research suggests that active learning, as used by typical college biology instructors, is not associated with greater learning gains. We contend that most instructors lack the rich and nuanced understanding of teaching and learning that science education researchers have developed. Therefore, active learning as designed and implemented by typical college biology instructors may superficially resemble active learning used by education researchers, but lacks the constructivist elements necessary for improving learning.
| S-EPMC3228657 | biostudies-literature
Project description:ObjectiveThis study aimed to evaluate the effect of case-based learning (CBL) method with virtual reality (VR) simulation technology (CBL-VR) on midwifery laboratory courses.MethodsA quasi-experimental design was employed. A total of 135 midwifery students were recruited from Nursing College of Guilin Medical University in China from September 2020 to January 2022. Intervention group recruited students from the Class of 2019 (n = 59) and control group recruited students from the Class of 2018 (n = 76). The intervention group students received the CBL-VR method based on traditional laboratory teaching, the contents of course included four sections: eutocia (6 class hours), dystocia (6 class hours), umbilical cord prolapse (2 class hours), and neonatal asphyxia and resuscitation (4 class hours), 40 min per class hour. The control group students received the traditional laboratory teaching. Students' academic performance, Self-Directed Learning (SDL) Ability Questionnaire, and the education satisfaction questionnaire were used to evaluate the teaching efficacy between two groups.ResultsAfter intervention, the intervention group students achieved higher scores than the control group in individual operation ability (90.88 ± 2.14 vs. 89.24 ± 3.15), team operation ability (90.97 ± 2.33 vs. 81.28 ± 5.45), and midwifery case analysis ability (88.64 ± 3.19 vs. 86.70 ± 2.56) (P ＜0.01). Prior to the implementation of the course, there was no difference in the SDL ability scores between the two groups of students (P ＞ 0.05). However, following the course intervention, the SDL ability scores of the intervention group were higher than those of the control group (94.78 ± 6.59 vs. 88.12 ± 8.36), and the scores in all dimensions of the intervention group were also higher (P < 0.05). Additionally, more than 94% of the students indicated that CBL-VR method developed comprehensive abilities, including independent-study enthusiasm, independent thinking, collaboration, and communication.ConclusionUsing the CBL-VR method in midwifery lab courses improved students' course performance, SDL ability, and comprehensive ability. Students highly recognized the effectiveness of this approach.
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Project description:Problem-based learning (PBL) allows students to learn medical statistics through problem solving experience. The aim of this study was to assess the efficiency of PBL modules implemented in the blended learning courses in medical statistics through knowledge outcomes and student satisfaction. The pilot study was designed as a randomized controlled trial that included 53 medical students who had completed all course activities. The students were randomized in two groups: the group with access to PBL modules within the blended learning course (hPBL group) and the group without access to PBL modules-only blended learning course (BL group). There were no significant differences between the groups concerning socio-demographic characteristics, previous academic success and modality of access to course materials. Students from hPBL group had a significantly higher problem solving score (p = 0.012; effect size 0.69) and the total medical statistics score (p = 0,046; effect size 0.57). Multivariate regression analysis with problem solving as an outcome variable showed that problem solving was associated with being in hPBL group (p = 0.010) and having higher grade point average (p = 0.037). Multivariate regression analysis with the medical statistics score as an outcome variable showed the association between a higher score on medical statistics with access to PBL modules (p = 0.045) and a higher grade point average (p = 0.021). All students in hPBL group (100.0%) considered PBL modules useful for learning medical statistics. PBL modules can be easily implemented in the existing courses within medical statistics using the Moodle platform, they have high applicability and can complement, but not replace other forms of teaching. These modules were shown to be efficient in learning, to be well accepted among students and to be a potential missing link between teaching and learning medical statistics. The authors of this study are planning to create PBL modules for advanced courses in medical statistics and to conduct this study on other universities with a more representative study sample, with the aim to overcome the limitations of the existing study and confirm its results.
| S-EPMC8791522 | biostudies-literature
Project description:Peer-assisted learning (PAL) is the development of new knowledge and skills through active learning support from peers. Benefits of PAL include introduction of teaching skills for students, creation of a safe learning environment, and efficient use of faculty time. We present a novel approach to PAL in an emergency medicine (EM) clerkship curriculum using an inexpensive, tablet-based app for students to cooperatively present and perform low-fidelity, case-based simulations that promotes accountability for student learning, fosters teaching skills, and economizes faculty presence.We developed five clinical cases in the style of EM oral boards. Fourth-year medical students were each assigned a unique case one week in advance. Students also received an instructional document and a video example detailing how to lead a case. During the 90-minute session, students were placed in small groups of 3-5 students and rotated between facilitating their assigned cases and participating as a team for the cases presented by their fellow students. Cases were supplemented with a half-mannequin that can be intubated, airway supplies, and a tablet-based app (SimMon, $22.99) to remotely display and update vital signs. One faculty member rotated among groups to provide additional assistance and clarification. Three EM faculty members iteratively developed a survey, based on the literature and pilot tested it with fourth-year medical students, to evaluate the course.135 medical students completed the course and course evaluation survey. Learner satisfaction was high with an overall score of 4.6 on a 5-point Likert scale. In written comments, students reported that small groups with minimal faculty involvement provided a safe learning environment and a unique opportunity to lead a group of peers. They felt that PAL was more effective than traditional simulations for learning. Faculty reported that students remained engaged and required minimal oversight.Unlike other simulations, our combination of brief, student-assisted cases using low-fidelity simulation provides a cost-, resource- and time-effective way to implement a medical student clerkship educational experience.
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Project description:Student anxiety is a growing concern for colleges and universities. As science classrooms transition from traditional lecture to active learning, researchers have sought to understand how active learning affects undergraduate anxiety. However, although community colleges educate nearly half of all undergraduates, no studies have explored the relationship between anxiety and active learning in the context of community college science courses. In this study, we interviewed 29 students enrolled across nine community colleges in the southwestern United States to probe factors that increase and decrease their anxiety in active-learning science courses. Using inductive coding, we identified a set of common factors that affect community college student anxiety in active learning. We found that community college student anxiety decreased when students perceived that active-learning activities enhanced their learning by providing them with multiple ways of learning or the opportunity to learn from others. We also identified fear of negative evaluation as the primary construct underlying student anxiety in active learning and described factors that mediated students' fear of negative evaluation in the community college science classroom. This work highlights how instructors can create more inclusive active-learning science classrooms by reducing student anxiety during active-learning instruction.
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Project description:The instructional practices used in introductory college courses often differ dramatically from those used in high school courses, and dissatisfaction with these practices is cited by students as a prominent reason for leaving science, technology, engineering, and mathematics (STEM) majors. To better characterize the transition to college course work, we investigated the extent to which incoming expectations of course activities differ based on student demographic characteristics, as well as how these expectations align with what students will experience. We surveyed more than 1500 undergraduate students in large introductory STEM courses at three research-intensive institutions during the first week of classes about their expectations regarding how class time would be spent in their courses. We found that first-generation and first-semester students predict less lecture than their peers and that class size had the largest effect on student predictions. We also collected classroom observation data from the courses and found that students generally underpredicted the amount of lecture observed in class. This misalignment between student predictions and experiences, especially for first-generation and first-semester college students and students enrolled in large- and medium-size classes, has implications for instructors and universities as they design curricula for introductory STEM courses with explicit retention goals.
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