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Long-term retention of knowledge and critical thinking skills in developmental biology.

ABSTRACT: The primary goal of this project was to assess long-term retention of concepts and critical thinking skills in individuals who completed a Developmental Biology course. Undergraduates who had completed the course between 2006 and 2009 were recently contacted and asked to complete a professional goals survey and a multiple-choice developmental biology assessment test (DBAT) targeting four levels of learning. The DBAT was designed to assess students' retention of knowledge and skills related to factual recall, concept application, data analysis, and experimental design. Performance of the 2006-2009 cohorts was compared to that of students enrolled in 2010 who completed the DBAT at the beginning and the end of the semester. Participants from the 2010 course showed significant learning gains based on pre- and posttest scores overall and for each of the four levels of learning. No significant difference in overall performance was observed for students grouped by year from 2006-2010. Participants from the 2006-2009 cohorts scored slightly, but significantly, higher on average if they enrolled in graduate or professional training. However, performance on individual question categories revealed no significant differences between those participants with and without postundergraduate training. Scores on exams and a primary literature critique assignment were correlated with DBAT scores and thus represent predictors of long-term retention of developmental biology knowledge and skills.

SUBMITTER: Darland DC

PROVIDER: S-EPMC3577333 | biostudies-other | 2012

REPOSITORIES: biostudies-other

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Long-term retention of knowledge and critical thinking skills in developmental biology.

Darland Diane C DC Carmichael Jeffrey S JS

Journal of microbiology & biology education 20121203 2

The primary goal of this project was to assess long-term retention of concepts and critical thinking skills in individuals who completed a Developmental Biology course. Undergraduates who had completed the course between 2006 and 2009 were recently contacted and asked to complete a professional goals survey and a multiple-choice developmental biology assessment test (DBAT) targeting four levels of learning. The DBAT was designed to assess students' retention of knowledge and skills related to fa ...[more]

PMID: 23653799

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Project description:Developing a position on a socio-scientific issue and defending it using a well-reasoned justification involves complex cognitive skills that are challenging to both teach and assess. Our work centers on instructional strategies for fostering critical thinking skills in high school students using bioethical case studies, decision-making frameworks, and structured analysis tools to scaffold student argumentation. In this study, we examined the effects of our teacher professional development and curricular materials on the ability of high school students to analyze a bioethical case study and develop a strong position. We focused on student ability to identify an ethical question, consider stakeholders and their values, incorporate relevant scientific facts and content, address ethical principles, and consider the strengths and weaknesses of alternate solutions. 431 students and 12 teachers participated in a research study using teacher cohorts for comparison purposes. The first cohort received professional development and used the curriculum with their students; the second did not receive professional development until after their participation in the study and did not use the curriculum. In order to assess the acquisition of higher-order justification skills, students were asked to analyze a case study and develop a well-reasoned written position. We evaluated statements using a scoring rubric and found highly significant differences (p<0.001) between students exposed to the curriculum strategies and those who were not. Students also showed highly significant gains (p<0.001) in self-reported interest in science content, ability to analyze socio-scientific issues, awareness of ethical issues, ability to listen to and discuss viewpoints different from their own, and understanding of the relationship between science and society. Our results demonstrate that incorporating ethical dilemmas into the classroom is one strategy for increasing student motivation and engagement with science content, while promoting reasoning and justification skills that help prepare an informed citizenry.

Project description:BackgroundIn medicine, critical thinking is required for managing and tolerating medical uncertainty, as well as solving professional problems and treating diseases. However, the core of Confucianism, teacher-centered and exam-oriented settings in middle and high school education may pose challenges to developing critical thinking in Han Chinese or Taiwanese students. Students may be adversely affected by these pedagogies since student-centered settings were more effective in stimulating their critical and reflective thinking, as well as a sense of responsibility, in the ever-changing world. Therefore, guiding students with less stable foundations of critical thinking might require a different approach. A review article highlighted the potential utility of the Socratic method as a tool for teaching critical thinking in the healthcare field. The method involves posing a series of questions to students. More importantly, medical students and residents in clinical teaching are familiar with the method. Almost all healthcare students must complete a biochemistry laboratory course as part of their basic science training. Thus, we aimed to train students to develop critical thinking in the biochemistry laboratory course by using learning sheets and teacher guidance based on the Socratic method and questioning.MethodWe recruited second-year students from a medical school, of whom 32 had medical science and biotechnology majors (MSB), 27 had pharmaceutical science majors (PS), and 85 were medical undergraduate (MU) students. An exercise in critical thinking was conducted during a biochemistry laboratory course, which consisted of five different biochemical experiments, along with learning sheets that contained three or four critical thinking questions. Then, the teacher evaluated the students' ability to think critically based on nine intellectual dimensions (clarity, accuracy, precision, relevance, depth, breadth, logic, fairness, and significance) based on the universal intellectual standards developed by Prof. Linda Elder and Richard Paul. In the following analysis, regression models and multivariate analysis were used to determine how students improved over time, and trajectory analysis were carried out in order to observe the trends in students' critical thinking skills construction.ResultsClarity and logic dimensions were identified as the key elements to facilitate the development of critical thinking skills through learning sheets and teacher guidance in students across all three different healthcare majors. The results showed that metacognitive monitoring via Socratic questioning learning sheets have demonstrated potential encourage students to develop critical thinking skills in all dimensions. Another unique contribution of current study was present the heterogeneous learning patterns and progress trajectories of clarity and logic dimensions within classes.ConclusionUsing the Socratic learning model could effectively develop students' critical thinking skills so they can more effectively care for their patients.

Project description:ObjectiveWhile short-term gains in performance of critical emergency procedures are demonstrated after simulation, long-term retention is relatively uncertain. Our objective was to determine whether simulation of critical emergency procedures promotes long-term retention of skills in nonsurgical physicians.MethodsWe searched multiple electronic databases using a peer-reviewed strategy. Eligible studies 1) were observational cohorts, quasi-experimental or randomized controlled trials; 2) assessed intubation, cricothyrotomy, pericardiocentesis, tube thoracostomy, or central line placement performance by nonsurgical physicians; 3) utilized any form of simulation; and 4) assessed skill performance immediately after and at ≥ 3 months after simulation. The primary outcome was skill performance at or above a preset performance benchmark at ≥ 3 months after simulation. Secondary outcomes included procedural skill performance at 3, 6, and ≥ 12 months after simulation.ResultsWe identified 1,712 citations, with 10 being eligible for inclusion. Methodologic quality was moderate with undefined primary outcomes; inadequate sample sizes; and use of nonstandardized, unvalidated tools. Three studies assessed performance to a specific performance benchmark. Two demonstrated maintenance of the minimum performance benchmark while two demonstrated significant skill decay. A significant decline in the mean performance scores from immediately after simulation to 3, 6, and ≥ 12 months after simulation was observed in four of four, three of four, and two of five studies, respectively. Scores remained significantly above baseline at 3, 6, and ≥ 12 months after simulation in three of four, three of four, and four of four studies, respectively.ConclusionThere were a limited number of studies examining the retention of critical skills after simulation training. While there was some evidence of skill retention after simulation, overall most studies demonstrated skill decline over time.

Dataset Information

Long-term retention of knowledge and critical thinking skills in developmental biology.

Publications

Long-term retention of knowledge and critical thinking skills in developmental biology.

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