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1.
In the laboratory, students can actively explore concepts and experience the nature of scientific research. We have devised a 5-wk laboratory project in our introductory college biology course whose aim was to improve understanding in five major concepts that are central to basic cellular, molecular biology, and genetics while teaching molecular biology techniques. The project was focused on the production of adenine in Saccharomyces cerevisiae and investigated the nature of mutant red colonies of this yeast. Students created red mutants from a wild-type strain, amplified the two genes capable of giving rise to the red phenotype, and then analyzed the nucleotide sequences. A quiz assessing student understanding in the five areas was given at the start and the end of the course. Analysis of the quiz showed significant improvement in each of the areas. These areas were taught in the laboratory and the classroom; therefore, students were surveyed to determine whether the laboratory played a role in their improved understanding of the five areas. Student survey data demonstrated that the laboratory did have an important role in their learning of the concepts. This project simulated steps in a research project and could be adapted for an advanced course in genetics.  相似文献   

2.
Project-based learning is undoubtedly one of the best instructional methods for developing students’ broad learning capabilities, beyond teaching specific subject matter. However, experienced engineering teachers often tend to concentrate on merely teaching pupils the technical side of project work. This paper describes a programme aimed at fostering self-regulated learning among high schools pupils working on projects in electronics, control systems and robotics. The programme sought, for example, to promote pupils’ conceptual knowledge regarding the subjects they dealt with in their projects, enabling the learners to gain experience using simulation, laboratory testing and troubleshooting in a system that they were constructing. The change in project work also required pupils to document systematically all stages of system development and reflect on their learning by preparing a printed or web-based ePortfolio on the project. Outcomes of the in-service training course given to teachers countrywide and the first signs of change in project work in schools are reported.  相似文献   

3.
."NET网络应用"是计算机网络专业的一门专业核心课程,实践性很强。探讨对该课程采用"项目导向,任务驱动"的教学模式,将一个企业的真实项目作为教学活动的载体,实现学科知识的解构与重构,项目中分若干任务,项目开发结束即可完成所有.NET知识点的学习。学生在完成项目和任务的过程中体验成功的喜悦,激发学习热情,促进个性发展,锻炼实践操作、团队合作等方面的综合能力。  相似文献   

4.
This explorative field study examined the mediating role of self‐regulated learning (SRL) in the relationship between the personality trait of conscientiousness, SRL, and science achievement in a sample of junior high school students. Over the course of an entire academic year, data on enacted SRL were collected each week for 52 eighth‐grade students in the context of an inquiry‐based ecology project. Data were also collected on personality traits, self‐reported study strategies, science project achievement, and grade point average. Findings show significant relationships between conscientiousness, SRL, and achievement. As hypothesized, conscientiousness was shown to significantly impact academic achievement in the inquiry‐based course, mediated by enacted SRL. © 2009 Wiley Periodicals, Inc.  相似文献   

5.
Blended learning is an effective approach to instruction that combines features of face-to-face learning and computer-mediated learning. This study investigated the relationship between student perceptions of three types of interaction and blended learning course satisfaction. The participants included K-12 teachers enrolled in a graduate-level course. Results indicate that students (a) perceived interaction as important to their learning experiences and (b) were moderately satisfied in their blended learning course. The predictive model of student satisfaction including three types of interaction was reliable. Of the three types of interaction, learner–content interaction was the strongest predictor of student satisfaction when the course design involved a low amount of collaborative activities. Additionally, student personality was found to be a vital factor for interaction and satisfaction in this type of course design. Students who reported having an extroverted personality noted more interaction and a higher level of student satisfaction than those who self-reported as introverted.  相似文献   

6.
This paper investigates the relationship between personality traits in adolescence and performance in high school using a large and recent cohort study. In particular, we investigate the impact of locus of control, self-esteem, and work ethics at age 15, on test scores at age 16, and on subject choices and subsequent performance at age 17–18. In particular, individuals with external locus of control or with low levels of self-esteem seem less likely to have good performance in test scores at age 16 and to pursue further studies at 17–18, especially in Mathematics or Science.We use matching methods to control for a rich set of adolescent and family characteristics and we find that personality traits do affect study choices and performance in test scores – particularly in Mathematics and Science. We explore the robustness of our results using the methodology proposed by Altonji, Elder, and Taber (2005) that consists of making hypotheses about the correlation between the unobservables that determine test scores and subjects’ choices and the unobservables that influence personality.  相似文献   

7.
This article describes a national teaching project which set out to address the problem of high student attrition and failure in a first-year introductory chemistry topic, through the introduction of a student-focused learning-to-learn program presented in context and which uses authentic course materials. The program focused on developing students' understanding of the learning process and of their own learning, both in general and in chemistry in particular. As part of the project the student approach to learning was evaluated and monitored by use of the Biggs study process questionnaire (SPQ). Results indicate that students who participated in the program were less inclined to engage only in surface learning activities, achieved better assessment outcomes and persisted with their studies. The 1997 class as a whole showed an overall increase in pass rate and a decline in attrition rate compared to the 1996 cohort. SPQ scale scores were generally not powerful predictors of academic success but positive correlation was observed with the deep approach and achieving approach scales for the third SPQ trial period.  相似文献   

8.
This study compares overall laboratory averages and individual test scores along with a student survey to determine the effects of using virtual microscopy in place of optical microscopes in a large undergraduate human anatomy course. T‐tests revealed that the first two laboratory examinations (of four) and the overall laboratory averages were significantly increased compared with the previous year. We hypothesize that this is due to students' ability to use and understand the technology quickly as opposed to learning how to maneuver an optical microscope. Students also responded positively in a survey about the virtual microscope, indicating that increased accessibility, ease of use, and the ability to understand the material were important components of the virtual microscope. In addition, an increase in student collaboration was noted because multiple students were able to view the image at a time. This level of acceptance of virtual microscopy has been reported in previous studies, though this level of increased examination scores is rare. We attribute this to differences between the medical students, with whom this technology has been researched in the past, and undergraduate introductory students. Anat Sci Educ 2:218–226, 2009. © 2009 American Association of Anatomists.  相似文献   

9.
Virtual microscopy (VM) has been utilized to improve students' learning experience in microscope laboratory sessions, but minimal attention has been given to determining how to use VM more effectively. The study examined the influence of VM on academic performance and teacher and student perceptions and compared laboratory test scores before and after VM incorporation. A total of 662 third-year students studying histology and 651 fourth-year students studying pathology were divided into two groups. The light microscopy (LM) group used a light microscope in 2014 and 2015, while the LM + VM group used the VM platform and a light microscope in 2016 and 2017. Four factors positively predict laboratory scores (R square, 0.323; P < 0.001): (i) the pathology course and test-enhanced learning, (ii) the VM platform and experience, (iii) medical students and lecture scores, and (iv) female students. The LM + VM group exhibited less score variability on laboratory examinations relative to their mean than the LM group. The LM + VM group was also associated with fewer failing grades (F grade; odds ratio, 0.336; P < 0.001) and higher scores (A grade; odds ratio, 2.084; P < 0.001) after controlling for sex, school, course, and lecture grades. The positive effect of the VM platform on laboratory test grades was associated with prior experience using the VM platform and was synergistic with more interim tests. Both teachers and students agreed that the VM platform enhanced laboratory learning. The incorporation of the VM platform in the context of test-enhanced learning may help more students to master microscopic laboratory content.  相似文献   

10.
The effective design of course materials is critical for student learning, especially for large lecture introductory courses. This quantitative study was designed to explore the effect multimedia and content difficulty has on students’ cognitive load and learning outcomes. College students (n = 268) were randomized into 1 of 3 multimedia groups: text + graphics (Group 1–TG); audio + text + graphics (Group 2–ATG); or video + audio + text + graphics (Group 3–VATG). Participants answered a demographic survey and pretests before viewing 2 food science supplemental lecture materials (i.e., water mobility and amino acid structures) and completing the cognitive load instrument and post‐tests within a noncontrolled setting. Cognitive load scores were tabulated and compared using a 3 × 3 ANOVA and Tukey post hoc analysis across multimedia groups and food science supplemental lecture materials. Based on the post hoc, students in Group 1–TG had higher intrinsic cognitive load scores than Group 2–ATG (ANOVA, P < 0.05). Cognitive load and post‐test scores were tabulated and compared using a spearman correlation across groups. In Group 1–TG, students that reported less intrinsic cognitive load had higher post‐test scores. Also, students that reported more germane cognitive load had higher post‐test scores. In Groups 2–ATG and 3–VATG, students that reported less extraneous cognitive load had higher post‐test scores (ANOVA, P < 0.05).  相似文献   

11.
Three teachers, who held extreme preferences for the ways they learn, participated in a year‐long professional development course, designed to sensitize teachers to their own and colleagues’ individual learning differences (ILDs). The case study focuses on their extreme learning preferences and discusses the impact of these preferences on their language, beliefs and practice, both before and after the course. The teachers’ learning preferences were determined from their scores on seven learning/cognitive styles tools and understood further from field notes, interviews and pre‐/post‐test responses. The study suggests that teachers with extreme learning preferences tend to: (a) teach the way they prefer to learn; (b) overgeneralize and project their own learning needs onto students; and (c) hold initial pathognomonic (“blame the learner”) beliefs about students mismatched to them. After the course, the teachers changed their language, beliefs and practice in the direction of becoming more effective teachers, e.g., they held more interventionist beliefs (“I can intervene to help the learner”). The three teachers were strong prototypes who can provide insights about the importance of ILDs in learning, practice and professional development.  相似文献   

12.
This study assessed the effectiveness of an innovative science course for improving prospective elementary teachers’ perceptions of laboratory learning environments and attitudes towards science. The sample consisted of 27 classes with 525 female students in a large urban university. Changing students’ ideas about science laboratory teaching and learning and creating more positive attitudes towards science were accomplished by using a guided open-ended approach to investigations, together with instructors who used cooperative learning groups to create a supportive environment. Ideas and attitudes prior to the course were assessed using a questionnaire focusing on the students’ previous science laboratory courses, and these were compared to data collected at the end of the course. Students reported large and statistically significant improvements on all seven scales assessing the laboratory learning environment and attitudes towards science. The largest gains were observed for Open-Endedness and Material Environment (with effect sizes of 6.74 and 3.82 standard deviations, respectively). An investigation of attitude-environment associations revealed numerous positive and statistically significant associations in both univariate and multivariate analyses. In particular, the level of Instructor Support was the strongest independent predictor of student attitudes at two levels of analysis.  相似文献   

13.
The goal of this research project was to discover those personality characteristics of college students which predispose them towards learning more effectively from one, rather than some other, particular instructional format. Over 800 students in each of two college courses were taught by one of four different methods, and three broad classes of criterion information were assessed: (a) knowledge of course content, (b) amount of extra-curricular reading, and (c) degree of student satisfaction. Each student completed an extensive battery of personality measures, which yielded over 350 test scores. The ratio of significant interaction effects to the number expected by chance was only 4 to 3. Consequently, new interaction scales were developed empirically in each course, and these were then cross-validated in the other course. In general, these new scales did not produce statistically significant interaction effects upon cross-validation, and scales constructed from items which produced significant interactions in both courses showed low internal consistency and low convergent validity. Factors which could have attenuated the strength of trait-by-treatment interaction effects are discussed.The report is a summary of the findings presented in Goldberg (1969), a monograph which is available to readers wishing additional details of the investigation. Help with the design and implementation of the project was generously provided by William A. Bricker, Leslie A. Davison, and Vello Sermat. The author also wishes to acknowledge, with great thanks, the research contributions of Richard R. Jones, Gale H. Roid, Steven G. Ashton, Edwin S. Shiman, and Molly Stafford. Research funds for this project were first provided by the Oregon State System of Higher Education and by the University of Oregon through its Institute of College Teaching. Major support for the data analyses was provided by the Office of Education (Grant No. OEG-4-7-061693-0420), and later by Grant No. MH12972 and Grant No. MH10822 from the National Institute of Mental Health, U.S. Public Health Service. Preliminary data analyses were carried out using the facilities of the Computing Center at the University of Oregon; the analyses were completed at the Computing Center of Oregon Research Institute, and the Health Sciences Computing Facility, UCLA, sponsored by N.I.H. Grant FR-3.  相似文献   

14.
Undergraduate science education curricula are traditionally composed of didactic instruction with a small number of laboratory courses that provide introductory training in research techniques. Research on learning methodologies suggests this model is relatively ineffective, whereas participation in independent research projects promotes enhanced knowledge acquisition and improves retention of students in science. However, availability of faculty mentors and limited departmental budgets prevent the majority of students from participating in research. A need therefore exists for this important component in undergraduate education in both small and large university settings. A course was designed to provide students with the opportunity to engage in a research project in a classroom setting. Importantly, the course collaborates with a sponsor''s laboratory, producing a symbiotic relationship between the classroom and the laboratory and an evolving course curriculum. Students conduct a novel gene expression study, with their collective data being relevant to the ongoing research project in the sponsor''s lab. The success of this course was assessed based on the quality of the data produced by the students, student perception data, student learning gains, and on whether the course promoted interest in and preparation for careers in science. In this paper, we describe the strategies and outcomes of this course, which represents a model for efficiently providing research opportunities to undergraduates.  相似文献   

15.
Health concerns during the Covid-19 pandemic required the adaptation of a lecture-laboratory course in ultrasound imaging for graduate students from an in-person to a live, remote learning format. The adaptation of in-person lectures to live, remote delivery was achieved by using videoconferencing. The adaptation of in-person laboratory sessions to live, remote instruction was achieved in the first half of the course by providing a hand-held ultrasound instrument to each student who performed self-scanning at their remote locations, while the instructor provided live instruction using videoconferencing. In the second half of the course, the students transitioned to using cart-based, hospital-type instruments and self-scanning in the ultrasound laboratory on campus. The aim of this study was to measure the success of this adaptation to the course by comparing assessment scores of students in the live, remote course with assessment scores of students in the in-person course offered in the previous year. There were no statistically significant differences in the assessment scores of students in the two courses. The adaptation of a course in ultrasound imaging from an in-person to a live, remote learning format during the Covid-19 pandemic described here suggests that contrary to the prevailing view, ultrasound imaging can be taught to students without in-person instruction. The adapted course can serve as a model for teaching ultrasound where instructors and learners are physically separated by constraints other than health concerns during a pandemic.  相似文献   

16.
Recent research on student learning in higher education has identified clear associations between variations in students’ perceptions of the academic environment and variations in their study behaviour. This study investigated a general theoretical model linking students’ demographic characteristics, perceptions and study behaviour with measures of outcome, and in particular, compared three accounts of the causal relationship between perceptions and study behaviour. Data were obtained from 469 postgraduate students at six British business schools. Path analysis was used to assess the causal relationships among the students’ age and gender, their scores on the Course Experience Questionnaire, their scores on the Revised Approaches to Studying Inventory and their ratings of general satisfaction with their programmes. This yielded evidence for the causal efficacy of most of the paths identified in the general theoretical model. In particular, as in the case of students taking more traditional academic subjects, there exists a bidirectional causal relationship between variations in students’ perceptions of the academic environment and variations in their study behaviour.  相似文献   

17.
This study explored a concept that learning study skills in the context of the content area under study may transfer across courses, multiplying the benefits towards academic success. Methods that have been reported to influence academic growth at the community college level include success courses and applied study skills. In this pilot project among community college students, two instructors provided an enriched study skills curriculum by linking a success course with a psychology course. The instructors used techniques and activities geared toward enhancing study skills such as developing metacognitive strategies. The Learning and Study Skills Inventory (LASSI) was used to assess students’ progress. Despite few statistically significant findings, there were several interesting interaction effects. These provide some evidence for the need to emphasize the development of study strategies in existing success courses while also formally or informally tying such courses with a content course.  相似文献   

18.
Web‐based education is a popular format for the delivery of college courses. Research has shown that it may not be the best form of education for all students. Today, many students (and student advisors) face a choice in course delivery format (i.e., Web‐based or more traditional classroom courses). This research study examines the relationship between student personality characteristics and their achievement scores as a means of identifying predictors of academic success in an undergraduate business program using Web‐based education. The results of the study show that four basic personality characteristics are highly correlated to student achievement in Web‐based courses. Use of these personality characteristics as variables in a regression model is shown to be a highly accurate predictive tool to aid students in the decision as to whether to take a particular Web‐based course format or a more traditional classroom course.  相似文献   

19.
At the Medical College of Wisconsin, a procedure was developed to allow computerized grading and grade reporting of laboratory practical examinations in the Clinical Human Anatomy course. At the start of the course, first year medical students were given four Lists of Structures. On these lists, numbered items were arranged alphabetically; the items were anatomical structures that could be tagged on a given lab practical examination. Each lab exam featured an anatomy laboratory component and a computer laboratory component. For the anatomy lab component, students moved from one question station to another at timed intervals and identified tagged anatomical structures. As students identified a tagged structure, they referred to a copy of the list (provided with their answer sheet) and wrote the number corresponding to the structure on their answer sheet. Immediately after the anatomy lab component, students were escorted to a computer instruction laboratory where they typed their answer numbers into a secured testing component of a learning management system that recorded their answers for automatic grading. After a brief review of examination scores and item analysis by faculty, exam scores were reported to students electronically. Adding this brief computer component to each lab exam greatly reduced faculty grading time, reduced grading errors and provided faster performance feedback for students without changing overall student performance. Anat Sci Ed 1:220–223, 2008. © 2008 American Association of Anatomists.  相似文献   

20.
This study explored a new strategy of assessing laboratory skills in a molecular biology course to improve: student effort in preparation for and participation in laboratory work; valid evaluation of learning outcomes; and students’ employment prospects through provision of evidence of their skills. Previously, assessment was based on written laboratory reports and examinations, not on the demonstration of practical skills per se. This action research project involved altering the assessment design so that a greater proportion of the marks was allocated to active participation and learning in the laboratory, partially replacing a single examination with direct observation of student participation and learning over a prolonged period of weekly laboratory sessions. We ascertained staff and students’ perceptions of the new assessment processes by means of a Likert scale questionnaire, student focus group and individual staff interviews. Overall, students and staff evaluated the new assessment structure positively, citing fairness, authenticity and reward for effort. Results also revealed the need for specific training of staff in this form of assessment and indicated staff–student ratios made assessment burdensome. Four out of five students reported that an increased awareness of the importance of practical laboratory skills stimulated them to greater efforts to achieve.  相似文献   

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