Evaluating team-based, lecture-based, and hybrid learning methods for neurology clerkship in China: a method-comparison study
- Lian-Hong Yang†1Email author,
- Long-Yuan Jiang†2,
- Bing Xu3,
- Shu-Qiong Liu1,
- Yan-Ran Liang1,
- Jin-Hao Ye1 and
- En-Xiang Tao1
© Yang et al.; licensee BioMed Central Ltd. 2014
Received: 10 September 2013
Accepted: 14 May 2014
Published: 20 May 2014
Neurology is complex, abstract, and difficult for students to learn. However, a good learning method for neurology clerkship training is required to help students quickly develop strong clinical thinking as well as problem-solving skills. Both the traditional lecture-based learning (LBL) and the relatively new team-based learning (TBL) methods have inherent strengths and weaknesses when applied to neurology clerkship education. However, the strengths of each method may complement the weaknesses of the other. Combining TBL with LBL may produce better learning outcomes than TBL or LBL alone. We propose a hybrid method (TBL + LBL) and designed an experiment to compare the learning outcomes with those of pure LBL and pure TBL.
One hundred twenty-seven fourth-year medical students attended a two-week neurology clerkship program organized by the Department of Neurology, Sun Yat-Sen Memorial Hospital. All of the students were from Grade 2007, Department of Clinical Medicine, Zhongshan School of Medicine, Sun Yat-Sen University. These students were assigned to one of three groups randomly: Group A (TBL + LBL, with 41 students), Group B (LBL, with 43 students), and Group C (TBL, with 43 students). The learning outcomes were evaluated by a questionnaire and two tests covering basic knowledge of neurology and clinical practice.
The practice test scores of Group A were similar to those of Group B, but significantly higher than those of Group C. The theoretical test scores and the total scores of Group A were significantly higher than those of Groups B and C. In addition, 100% of the students in Group A were satisfied with the combination of TBL + LBL.
Our results support our proposal that the combination of TBL + LBL is acceptable to students and produces better learning outcomes than either method alone in neurology clerkships. In addition, the proposed hybrid method may also be suited for other medical clerkships that require students to absorb a large amount of abstract and complex course materials in a short period, such as pediatrics and internal medicine clerkships.
KeywordsLecture-based learning Team-based learning Neurology Clerkship Hybrid learning method
Students deal with a large number of diverse nervous system disorders in clinical situations and perceive neurology as being overly complex, abstract, and far more difficult than other disciplines [1–3]. At the same time, bridging medical theory and clinical practice, the clerkship is one of the crucial stages in neurology education; it develops students’ clinical reasoning and practical skills . However, the traditional lecture-based learning (LBL) widely used in neurology clerkship education often leads to unsatisfactory learning outcomes because medical students passively receive knowledge from instructors with little interaction, and lack motivation to study and innovate [5, 6]. It is important to develop a practical and effective learning method for neurology clerkship education [7, 8].
Team-based learning (TBL), as proposed by Michaelsen et al.  at the University of Oklahoma, is an instructional strategy that aims to improve students’ teamwork spirit and cooperation skills. TBL requires students to read the course materials and do preliminary homework prior to their class, and encourages them to work together effectively as a team to solve problems during the class. Before the recent introduction of TBL to medical education, it was implemented in other educational curricula for many years. TBL has been successfully used in the education of basic medical sciences such as physiology and anatomy [10–14], and was widely accepted by students [15, 16]. Despite its success in teaching basic sciences, we feel that TBL has its drawbacks when applied to neurology clerkship education. TBL relies on students to prepare and do their homework by themselves, but the neurology course materials are usually very difficult for them to understand, and it is even harder for students to build a clear and well-organized knowledge hierarchy. Meanwhile some research also found that TBL may benefit only students who are less able to learn and need to be helped by other team members [17, 18], or only those with excellent innovative thinking . These drawbacks motivated us to explore a more effective method of neurology clerkship training.
According to the literature and our experiences, LBL excels in breaking down difficult subjects by logically organizing them in a clear hierarchy and presenting them systematically. Conversely, TBL excels in motivating students to learn proactively and promotes team collaboration. The strengths of each method may complement the weaknesses of the other. Combining TBL with LBL may produce better learning outcomes than TBL or LBL alone.
In this study, we proposed a new hybrid LBL and TBL method (TBL + LBL) for neurology clerkship education. In addition, we designed an experiment to teach three groups of students with LBL, TBL, and TBL + LBL, respectively. We compared the theoretical and practice test scores of these three groups at the end of the experiment to evaluate the TBL + LBL learning outcomes. In addition, a questionnaire was completed by the students in the TBL and TBL + LBL groups to evaluate their satisfaction.
This study on neurology clerkship education was organized by the Department of Neurology at Sun Yat-Sen Memorial Hospital in a five-year undergraduate program for students majoring in Clinical Medicine. The fourth year of the program is dedicated to clerkships in many medical specialties, including two weeks in neurology. The entire 127-student class of Grade 2007, Department of Clinical Medicine, Zhongshan School of Medicine, Sun Yat-Sen University (SYSU) participated in this neurology clerkship.
Although the students were given the opportunity not to participate in this study, all students chose to participate. The students were randomly assigned to one of three groups by drawing lots: Group A (TBL + LBL, with 41 students including 22 men and 19 women), Group B (LBL, with 43 students including 23 men and 20 women), and Group C (TBL, with 43 students including 21 men and 22 women). Before the clerkship started, all students had completed the related courses. No significant difference was observed between the three groups in terms of sex, age, and theoretical test score before the program. The program was organized into 2-week sessions for each group, which were held one after another in the order of Groups B, C, and A. Each group spent the same amount of time studying with the instructor.
The curriculum consisted of many case studies that covered several important neurology courses, such as Physical Examination of Nervous System, Nervous System Qualitative and Positioning Diagnosis Principles, Principles for Differential Diagnosis, Cranial Neuropathy and Peripheral Neuropathy, Cerebrovascular Diseases, Spinal Cord Diseases, and Peripheral Nervous System Diseases. For each type of case, all Group B students were led into a big room dedicated for teaching in the Department of Neurology of the hospital. The patients were temporarily moved to this room before the demonstration. The instructor first demonstrated the process of medical history inquiry and physical examination, and then provided the examination results to the students as a reference. After the demonstration, the instructor gave lectures to explain the clinical characteristics of the cases, the special examination methods for the cases, the key points of disease identification, diagnosis, and treatment, as well as the fundamental concepts for many common neurological diseases. These common neurological diseases include cerebrovascular, spinal cord, and peripheral nervous system diseases. Subsequently, the students were required to identify the characteristics of each case and propose a diagnosis and treatment plan before the instructor summarized the case study and drew conclusions for the students.
Group C participated in the second clerkship session. Compared with Group B, the instructor, the curriculum, the learning objectives, and the time spent with the instructor were all the same. The only difference was in the learning methods. As for Group B, the instructor conducted a similar demonstration at the beginning of each case study. However, the groups diagnosed different patients because the majority of patients usually stayed for less than two weeks at the hospital and therefore it was difficult to use the same patients for case diagnosis in separate 2-week sessions. Nevertheless, we carefully chose the patients for the same cases so that their disease types, symptoms, and diagnosis results were similar, to minimize the difference in learning experiences. After the demonstration, instead of receiving lectures as Group B did, the students in Group C studied the same topics in a team-based way as described below.
Group C were divided into seven teams with each comprising five to seven students. Following a process described previously , TBL was conducted in three phases. Phase One was a preparatory phase. The students first familiarized themselves with the course objectives, requirements, and the case information given by the instructor prior to the class. On this foundation, the students studied relevant materials using a range of resources including textbooks, libraries, and the Internet. Team members collaborated with each other, but they also focused on different aspects ranging from clinical characteristics, examinations, diagnosis to treatment, respectively. Phase Two was a readiness assurance process, including an individual readiness assessment test (iRAT) and a group readiness assessment test (gRAT). Both tests were closed-book. The iRAT contained 10 multiple-choice questions and required each student to give the answers within 20 minutes. The questions were pertinent to the case and focused on fundamental concepts, clinical characteristics, and examinations. The gRAT was performed after the patient had been admitted to the hospital and the detailed examination results had become available. It included 10 multiple-choice questions for the teams to answer within 30 minutes. The questions focused on disease identification, diagnosis, and treatment choice. At first only intrateam discussions were allowed, through which each team was required to obtain its own answers. Next, interteam discussions and debates were performed to identify a set of answers that all students accepted. Afterwards, the instructor evaluated the discussions and the answers, and provided feedback accordingly to help the students achieve a clearer and more systematic understanding of the required knowledge and skills. Phase Three was the application of course concepts. Considering that students had acquired the necessary knowledge and skills through phases One and Two, the instructor presented five to eight complex questions. The questions required students to summarize, analyze, and reason carefully based on the knowledge they had learnt and the cases they had observed. Similarly to the process in Phase Two, intrateam studies and discussions took place first. Afterwards, interteam discussions and debates were performed between the teams holding different opinions. The instructor then commented on each team’s discussion and summarized the main topics of the course. As the last step, the students were encouraged to evaluate each other based on their performance, in terms of motivation, analytical skills, and expression skills.
TBL + LBL method
Both TBL and LBL were employed by Group A. During the first week, Group A received LBL, which covered complex and systematic courses such as Physical Examination of Nervous System, Nervous System Qualitative and Positioning Diagnosis Principles, Principles for Differential Diagnosis, as well as Cranial Neuropathy and Peripheral Neuropathy. The procedure was similar to the one used for Group B. During the second week, TBL was employed for three common neurological courses: Cerebrovascular Diseases, Spinal Cord Diseases, and Peripheral Nervous System Diseases. The procedure was similar to the one used for Group C. Among the three groups, the curriculum, the instructor, the learning objectives, and the time spent with the instructor were all identical.
Performance and satisfaction evaluation
At the end of the clerkship, the performance of each student was evaluated with a theoretical test and a practice test. Well established in the medical program, the test content for the three groups was identical. The theoretical test mainly evaluated the students’ understanding of the fundamental concepts, causes, characteristics, diagnosis, and treatment for the diseases covered in the clerkship. The test questions were carefully selected from the standard question pool at SYSU. The scores of this test were not comparable with those of the preclerkship test because the two tests have different levels of difficulty. The practice test mainly evaluated the students’ proficiency of conducting disease history inquiry, physical examination, and medical record writing. Each student was rated with a hundred-mark weighted total score, 40% of which was based on the practice test score and 60% was based on the theoretical test score. The weighting followed the teaching guidelines of SYSU and had been used consistently for many years. In addition to the tests, Groups A and C were required to complete a questionnaire to evaluate their satisfaction with TBL. The satisfaction was evaluated for various aspects in a four-point scale: excellent, good, fair, and poor. The answers were collected at the scene.
All analyses were conducted with SPSS software (version 13.0; SPSS, Chicago, IL, USA). Enumeration data collected were analyzed using χ 2 test. Measurement data were expressed as mean ± standard deviation, and t-test was conducted between the two groups. The level of significance was set at 0.05.
The local Institutional Review Board at the Sun Yat-Sen Memorial Hospital of SYSU waived ethics approval (application number: 20120928) for this research because the study protocol was not deemed to represent biomedical or epidemiological research and no personal data were used. The procedures complied with data-protection rules, and all data were anonymized prior to analysis.
Base level of the students in the three groups
Baseline of the students in the three groups
Number of students (n)
Sex ratio (male/female)
Theoretical test scores before the clerkship†
A (TBL + LBL)
21.4 ± 2.81*
83.9 ± 8.33*
21.6 ± 2.25
84.2 ± 7.59
22.0 ± 1.76
84.7 ± 6.97
Comparison at the end of the clerkship
Questionnaire results from students in group A (TBL + LBL) and Group C (TBL) (number of responses (%))
Increasing motivation to prepare before class
Increasing motivation and ability of thinking
Activating class atmosphere
Promoting teamwork spirit and ability
Developing clinical problem-solving skills
Improving the understanding of important and difficult topics
Satisfaction with pure TBL
Satisfaction with TBL + LBL*
In summary, our experiment led to three findings. First, the practice test scores of Group A (TBL + LBL) were similar to those of Group B (LBL), but significantly higher than those of Group C (TBL) were. In other words, the groups using LBL performed better in the practice test. Second, the theoretical test scores and the total scores of Group A were significantly higher than those of Groups B and C. Last, the questionnaire showed that the hybrid method was widely accepted by the students.
Why did the two learning methods involving LBL lead to better practice test scores? The reason is twofold. First, LBL is suitable for neurology, which is known to be less accessible and user-friendly than other specialties . In LBL, lectures break down the difficult subjects of neurology into small topics, logically organize them in a relatively clear hierarchy, and present them systematically. This method is easier for students to memorize and understand the information presented. LBL also helps students connect and transform simple and abstract knowledge into a concrete, logical, and comprehensive perspective. Second, LBL lays emphasis on developing fundamental clinical skills such as effective and accurate disease history inquiry, comprehensive nervous system examination, proper and formal medical record writing, as well as good communication between doctors and patients. These are all essential skills in clinical practice. Therefore, although TBL offers many advantages, traditional LBL is still indispensable for neurology clerkship education. Conversely, LBL also has disadvantages. For instance, in our study we noticed that the students in the LBL groups tended to learn passively without proactive preparation before classes or review after classes. We also felt that they were less able to concentrate in the classroom and less motivated to take advantage of various learning resources. Other researchers have found that LBL is insufficient for the absorption of the culture of clinical thinking  and teamwork spirit [9, 11].
Combining LBL with TBL is an effective way to overcome these disadvantages of LBL. TBL stresses the encouragement of students to learn proactively as well as to improve their analytical and problem-solving skills in clinical situations. Moreover, TBL is known to be beneficial for promoting teamwork and collaboration between students [9, 14, 20]. At the same time, TBL implicitly enhances the students’ skills in bibliographic retrieval, logical reasoning, and oral presentation. These key abilities are extensively required in clinical practice, but often less practiced in LBL. The questionnaire results revealed that the majority of students accepted TBL and agreed that TBL could result in an active classroom atmosphere, enhance their motivation to learn, strengthen teamwork spirit, as well as improve their clinical problem-solving skills.
Furthermore, instructors can improve their teaching expertise during the TBL because successful TBL requires that they prepare questions with a certain level of difficulty related to the course content and the specific clinical diagnosis and treatment processes. This motivates the instructors to acquire not only the necessary solid knowledge and clinical skills, but also skills in organizing and managing people. In addition, instructors may also be inspired by team discussions. In summary, TBL can be of value to both teachers and learners [22, 23].
However, we observed several disadvantages of TBL that were also reported by others . First, TBL is less effective compared with LBL in students with weak self-directed study abilities. This ineffectiveness produces larger variation in student learning outcomes. Second, for TBL to achieve better learning outcomes than LBL, students require a solid understanding of related neurology theories. Otherwise, it is very difficult for the students to understand abstract neurology concepts and engage in effective discussion. To support this finding, our results show that because the TBL groups did not receive as much systematic training in the classroom as the LBL groups did, they did not achieve significantly better scores than the LBL group (Figures 1, 2 and 3). Last, compared with LBL, TBL students often have less capability to learn knowledge in a systematic way. The knowledge learnt with TBL tends to be not as deep or as comprehensive as with LBL. For instance, based on the feedback from the students in the TBL group, they tended to miss some important topics.
Based on our experiences with TBL + LBL, we feel that the instructors play a very important role and they need to be trained specifically. This training has three goals: 1) to design questions and cases closely related to the clinical practice, which should have clear emphasis and appropriate difficulty; 2) to facilitate learning by encouraging students as well as providing ample practice opportunities for them to develop clinical skills; 3) to summarize and conclude after each topic for students to gain complete and in-depth understanding of the knowledge supplied.
There were two limitations for this research. First, because no questionnaire was completed by the LBL groups, the authors do not know what the LBL groups thought of their learning experiences, so no comparisons can be made on student perspective. Though the results of the questionnaire indicated that Groups A and C had experienced increased motivation and teamwork spirit, the basis of comparison was their past LBL experiences in other subjects. Second, there may be a possibility of bias in student self-reports on the evaluation questionnaire. To minimize this bias, the questionnaire was sent to the students only after the theoretical and the practice tests were completed. We will improve these in further research.
Our results support our proposal that combining TBL and LBL is acceptable to students and produces better outcomes for learning than either method alone in neurology clerkship education. In addition, the proposed hybrid method may also be suited for other medical clerkships that require students to learn large amount of abstract and complex course materials in a short period, such as clerkships in pediatrics or internal medicine. The processes for all types of clerkships are similar. LBL can be applied to the relatively complex and systematic courses while TBL can be applied to others. Moreover, the method can also be applied in other universities and countries. However, for optimal learning outcomes, the time and the courses assigned to each method should be carefully determined based on the course contents and students’ characteristics. How to optimally design the courses based on these factors is a valuable research topic for further study.
- TBL + LBL:
Hybrid team- and lecture-based learning
Sun Yat-Sen University
Individual readiness assessment test
Group readiness assessment test.
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