- Research article
- Open Access
- Open Peer Review
Interdisciplinary Integration of the CVS Module and Its Effect on Faculty and Student Satisfaction as Well as Student Performance
© Ayuob et al.; licensee BioMed Central Ltd. 2012
- Received: 15 March 2012
- Accepted: 2 July 2012
- Published: 2 July 2012
Beyond the adoption of the principles of horizontal and vertical integration, significant planning and implementation of curriculum reform is needed. This study aimed to assess the effect of the interdisciplinary integrated Cardiovascular System (CVS) module on both student satisfaction and performance and comparing them to those of the temporally coordinated CVS module that was implemented in the previous year at the faculty of Medicine of the King Abdulaziz University, Saudi Arabia.
This interventional study used mixed method research design to assess student and faculty satisfaction with the level of integration within the CVS module. A team from the medical education department was assembled in 2010/2011 to design a plan to improve the CVS module integration level. After delivering the developed module, both student and faculty satisfaction as well as students performance were assessed and compared to those of the previous year to provide an idea about module effectiveness.
Many challenges faced the medical education team during design and implementation of the developed CVS module e.g. resistance of faculty members to change, increasing the percentage of students directed learning hours from the total contact hour allotted to the module and shifting to integrated item writing in students assessment, spite of that the module achieved a significant increase in both teaching faculty and student satisfaction as well as in the module scores.
The fully integrated CVS has yielded encouraging results that individual teachers or other medical schools who attempt to reformulate their curriculum may find valuable.
- Cardio-vascular module
The prevailing trend in basic science curriculum changes around the world is now towards integration, both horizontally among the disciplines and vertically between basic and clinical sciences [1–4]. Many researchers have proven that information presented without robust cross-links and ties to clinical applications, which is tested in isolation from related subject matter, has proven difficult for students to recall after the transition to clinical clerkships [5–7].
Harvard Medical School created a hybrid curriculum in 1985 that combined problem based learning (PBL) with limited lectures and laboratories in order to help students to develop a flexible, integrated knowledge base. It demonstrated that students could learn basic science in the context of clinical medicine and humanistic care while maintaining sufficient content mastery to pass the national licensing examination with no decrement in basic science knowledge .
Recognizing the limitations of its own traditional, discipline-based curriculum, the faculty of medicine at King Abdulaziz University (KAU) challenged both the clinical and basic science faculty members to create a new integrated curriculum to be implemented in the academic year of 2006/2007. The curriculum at KAU consists of two phases. In phase I (the pre-clinical phase) the basic sciences are taught in the form of a few core courses and system-based modules such as cardiovascular module. Phase II clinical years include the major four clerkships, in addition to some sub-specialties and a professionalism course.
Despite committee initiatives to establish integration between module content (to be temporally coordinated), student satisfaction assessed at the end of the last two academic years (2008/2009 and 2009/2010) showed incomplete satisfaction with the integration within the modules. In response to these complaints, the medical education department (MED) took a pioneering step, in association with the cardiovascular system module committee, to present an interdisciplinary integration model in the academic year of 2010/2011. This paper aimed to document the steps taken to establish such integration as well as to assess its effect on student satisfaction and performance. It will serve as a useful example for other schools aiming to improve integration levels in their curriculum.
This interventional study used mixed method research and collected both qualitative and quantitative data to assess the effectiveness of the integrated CVS module. An ethical approval of this research article has been obtained from the biomedical research ethics committee at the Faculty of Medicine, King Abdulaziz University.
Steps taken by the ME team
•A focus group discussion with those faculty members participating in system based modules teaching was facilitated by MED. Ten faculty members from the basic science departments and three from the clinical departments had participated in the discussion about; their satisfaction with the integration level in the module and comments and/or complaints that had been raised by students during and at the end of all modules.
•Reviewing the CVS module evaluations (quantitative method) filled out by the second year medical students and faculty members in the last two academic years (2008/2009 and 2009/2010) as a pilot to triangulate the results of the focus group discussion. This review revealed incomplete satisfaction of both faculty members and students with the integration within the CVS module.
•Conducting a detailed review of the literature, looking for similar problems in the implementation of integration and the experiences and approaches taken to solve it.
Time (in hours) allotted to different teaching and learning methods before modification the CVS module
•Revision of the module objectives and the objectives of each session. They correlated these objectives to the faculty program objectives. The redundant objectives were deleted while missed ones were added.
•A theme, in the form of a clinical problem, was set for each week of the four weeks of the module. These themes were chosen with the help of the relevant clinician and according to the commonality across the module objectives and the Saudi Arabian community. The chosen themes were: heart failure, atherosclerosis and ischemic heart diseases, hypertension and arrhythmias.
•Next came regrouping the module objectives around the chosen themes and reorganizing the teaching and learning activities (lectures, practical, tutorial, SDL and PBL sessions) to follow the themes.
•Developing PBL cases to cover different themes.
•Advising teaching faculty members turned to case-based teaching of the basic sciences in order to enhance the vertical integration within the module and increased the students’ perception of the clinical relevance of basic sciences.
Time (in hours) allotted to different teaching and learning methods after modification of the CVS module
L: 5 P: 1
L: 2 P: 2
L: 1 CP:1
L:9 P:3 CP:1
Ischemic Heart Disease
L: 4 T: 1
L: 4 P: 2
L: 11 P: 2 T: 1
L: 5 P: 1
L: 1 T: 1
L: 9 P: 1 T:1
Rheumatic Heart Disease
L: 2 P: 2
L: 1 P: 1
L: 1 CP:1
L: 6 P: 3 CP:1
L: 12 P: 2
L: 4 P: 3 T:1
L: 7 P: 2 T: 1
L: 4 P: 2
L: 4 P: 1
L: 35 P:10 T:2 CP:2
•Regarding the assessment, a workshop to train faculty members on constructing integrated items was held by the ME team. The assessment tools presented in the workshop included problem-based questions (PBQ), modified essay questions (MEQs) and objective structured practical examination (OSPE). These tools were used intentionally to assess the higher levels of cognition such as application and evaluation of knowledge. This was accomplished after the development of an exam blueprint through the collaboration between the ME team and the CVS module members.
•Highlighting the importance of formative assessment through demonstrating its role in providing students with feedback on their performance, helping them detecting their gaps of knowledge, planning to fill these gaps and familiarizing them with the newly used assessment tools before the final summative exam.
•Maintaining a close monitoring and follow up process to ensure proper implementation of what has been planned. This was accomplished formally through direct contact with the head of the CVS module.
•To measure the effectiveness of the developed module, both faculty and student satisfaction was measured via module evaluation questionnaires. The results were compared with results measured in the academic year of 2009/2010. Student assessment results, in the form of overall success rate and the percentage of students grades as well as the item analysis results of the CVS exams for the two consecutive years (2009/2010) and (2010/2011), were also compared.
•Statistical analysis was undertaken using a statistical package of social science (SPSS) software, version 16 (2005). The qualitative data were presented in the form of number and percentage. A chi-square test, with linear trends, was used for ordinal qualitative data. A percentage rate for teaching faculty member satisfaction was calculated for the module evaluation. Significance was considered at p value less than 0.05.
Focus group discussion with the faculty members participating in system based modules in the years from 2008–2010 revealed incomplete satisfaction which the integration level in their particular modules.
In spite of the initial resistance among some faculty members towards the developed integrated CVS module during its preparatory phase, the result of focus group discussion, after implementation of the developed module, revealed an increase in satisfaction with the module. They even sought help from ME team members to implement integration in other modules in which they were involved.
Results of students responses to course evaluation questionnaire (in relation to module contents and faculty members) of the CVS module in (2009/2010) and (2010/2011)
Items of comparison
2009/2010 Satisfaction N=129 %
2010/2011 Satisfaction N=152 %
Test of significance
Objectives of course are clear
Objectives of each teaching formats were explained at its start
The modules contents show relation between basic & clinical sciences
The practical part is related to the theoretical part
This course help to develop my self-learning capacity
PBL sessions improve my learning achievements
This course is good & useful for my future career
address the contents of the module as stated study guide
encourage students to ask questions during teaching
make good use of different types of educational methods
Faculty members use clinical cases in teaching
clearly explain the methods of assessment from the start of the course
Faculty members provide positive feedback after each assessment
encourage students for self-directed learning
encourage students for electronic learning
usually available in their office hours
Results of students response to the course evaluation questionnaire (in relation to assessment and educational resources) of the CVS module in (2009/2010) and (2010/2011)
Items of comparison
2009/2010 Satisfaction N=129 %
2010/2011 Satisfaction N=152 %
Test of significance
Assessment methods were fair
Assessment reflects what was taught.
Assessment method challenge students more than memorize.
Number of tests was reasonable for the course.
These is Formative assessment
The time of formative assessment is suitable.
Educational materials were available.
Educational materials posted of EMES MED (education management of electronic system for Medicine) at earlier time.
I frequently use the library to search learning material.
The library contains adequate number of books for the course.
Lecture rooms are well-equipped.
Laboratories are well-equipped
Rooms for PBL are well constructed
Student’s study guide helped me much throughout the course.
Final scores of the students in final CVS module exam in (2009/2010) and (2010/2011)
2009/2010 N= 344 N %
2010/2011 N= 379 N %
Test of significance
Chi-square test= 37.29
Overall success rate
Difficulty and Discrimination indexes of the items of the CVS module exam in (2009/2010) and (2010/2011)
2009/2010N= 60N %
2010/2011N= 60N %
Test of significance
Very easy (Conditionally acceptance) (0.9-1)
Chi-square test with liner trends X2= 16.31 P=0.009**
Too difficult (≤0.15)
Very good item (≥ 0.30)
Chi-square test with liner trends X2= 44.6 P<0.001**
Reasonably good (0.20-0.29)
Marginal item (0.09-0.20)
Unaccepted discrimination (Negative)
Regarding the discrimination index, the results showed that the percentage of the very good discriminating items increased from 13.3 % in 2009/2010 to 70 % in 2010/2011. On the other hand, the percentage of the poor discriminating items, the items that need to be rejected, decreased from 16.6 % in 2009/2010 to 1.7 % in 2010/2011, see Table 6.
Results of course evaluation questionnaire by teaching faculty of the CVS module in (2009/2010) and (2010/2011)
Items of comparison
2009/2010 Satisfaction Index
2010/2011 Satisfaction Index
Percentage of change
Integration is implemented during instruction
Learning objectives were made clear to students from the start
Learning objectives were made clear to faculty members from the start
Course encourages SDL
Course encourage group work
Course build students analytical and problem solving skills
PBL was successfully implemented as planned
Learning resources available helping in implementing the course objectives
Course web pages were relevant to course objectives
Number of staff members is sufficient in relation to tasks of the course
There is alignment between the course objectives, instruction and assessment
Assessment is based on a blueprint.
Various methods of assessment are used
Formative assessment without scores are used
Early feedback is provided to students
There is continuous and final summative assessment
The course team utilizes the results of interpretation of item analysis
Overall statistical index
Medical and dental education curricula are continually developing by incorporating advancements, such as horizontal and vertical integration, to address the contemporary needs of their students .
Curriculum integration enables learners to recognize how diverse concepts and/or processes interrelate . This concept has received much attention across the health sciences [9, 11]. The clear build-up of the curriculum and the vertical and horizontal integration of subject knowledge seem to have significantly reduced the lack of regulation . As a result, the faculty of medicine at KAU was encouraged to launch an integrated, system- based curriculum to be delivered to students during Phase I (pre-clerkship years).
Since the planned and delivered curriculum can be significantly different, the first question which came to the authors’ mind was, ‘How much does the delivered curriculum differ from the planned integrated curriculum? , to answer this question, the ME team investigated both student and faculty member satisfaction with the integrated curriculum through both qualitative and quantitative methods.
On designing the newly developed interdisciplinary, integrated CVS module, the tips described by Malik and Malik were beneficial. They described how integration can be enhanced from harmonization to interdisciplinary integrated level by avoiding commonly committed mistakes .
The overall satisfaction of the students after implementation of the integrated CVS module in 2010/2011 was 72.65 %. It seemed to be slightly lower than the overall student satisfaction rate (77.63 %) that was recorded by Mehr et al. The latter results were obtained after assessing an elective integrated training module of the brain’s basal ganglia which was designed and implemented by a multidisciplinary team .
This study revealed a significant increase in overall student satisfaction (from 53.88 % to 72.65 %) after implementation of the interdisciplinary integrated module. These results seemed to be in agreement with the results obtained by Klement et al. while they reported Morehouse School of Medicine experience in integrating its first year medical curriculum in 2005. The integration process was expanded to include first year basic science courses (Human Morphology, Biochemistry, Physiology, and Neurobiology). The outcomes of the restructured curriculum include higher or equivalent subject examination average scores, enhanced student satisfaction .
These results were in contradict with the findings of Harvard medical school in 2011 when it replaced its dedicated Preventive Medicine and Nutrition course with an integrated curriculum and assessed student satisfaction with both of them. It was found that students with the integrated curriculum were less satisfied with both the quantity and quality of their nutrition education . This decreased satisfaction could be attributed to the reduced content of the integrated curriculum that did not satisfy student curiosity. That was not the case in this study as a sufficient amount of content was secured in the integrated CVS module.
It was found that the overall success rate was lower in 2010/2011 than in 2009/2010 (98.6 % and 100 % respectively). This might indicate that the exams of the integrated module were more difficult and discriminating and signified a more effective assessment plan.
Implementing case-based teaching seemed to be one of the causes that elicited an increase in student satisfaction in this study and was described by previous ones . Although the ME team failed to convince the CVS teaching faculty to reduce the number of lectures, student satisfaction was not compromised but actually increased. The finding was in accordance with other researches .
Fostering SDL was among the methods that the ME team stressed during the integration elements as its role was emphasized by previous studies [20, 21]. Weekly, online, formative assessment (quizzes) using the electronic system was another method which was introduced to provide regular feedback to students on their learning process. This was advised by Wilkerson et al. and had proven effective .
Among the challenges facing the ME team was the inherent resistance of some faculty member to any change. Regular weekly meetings with the CVS module committee were sufficient to convince and motivate them. It was challenging to make SDL standardized as faculty members were conducting it in different ways and some of them did not assess it at all. The team put together standardized regulations for SDL, starting from setting its topics, learning objectives and assessment method and providing feedback on student learning. Increasing the weight of the SDL (percentage of its hours from the total contact hour allotted to the module) was another challenge that faced the team. This was because faculty members had strong beliefs in the effectiveness of the teacher centered approach and did not rely on SDL as an active and effective approach to student learning.
It was challenging to convince the faculty members of different disciplines to share constructing test integrated items that tackle different disciplines on assessment. They believed that the item construction process should be a confidential and individual process that should not be shared with others. The ME team had conducted workshops to train them and succeeded to convince them to do so after demonstrating the educational impact of integrated assessment on student learning.
Since the prevailing trend in basic science curriculum changes is now towards integration, demonstrating this experience of upgrading the integration level within the pre-clerkship curriculum and documenting its effectiveness could be helpful for medical schools that are willing to enhance integration levels in their curriculum. It could also prove useful to those who intend to integrate their conventional discipline-based curriculum in order to help their students to cross-link and tie information to clinical applications and recall it after the transition to clinical clerkships.
NASRA N. AYUOB is assistant professor in the Medical Education Department, faculty of medicine. She is particularly interested in curriculum designing and integration. She is one of the members of the MED who are responsible for providing educational services to the basic science departments. She is a physician. She had a master and MD in the microscopic Anatomy in addition to a joint master in Medical education JMHPE for Maastricht.
BASEM S. ELDEEK is associate professor in the Medical Education Department, faculty of medicine. He is particularly interested in medical education research. He is one of the members of the MED who are responsible for providing educational services to the clinical departments. She is a physician. He had a master and MD in the public health in addition to a joint master in Medical education JMHPE for Maastricht.
LANA A. ALSHAWA is assistant professor in the Medical Education Department, faculty of medicine. She is particularly interested in PBL. She is one of the members of the MED who are responsible for providing educational services to the basic science departments. She is a dentist. She had a PhD in PBL.
ABDULRAHMAN F. ALSABA is professor of physiology, faculty of medicine. He is the head of the CVS module committee.
The authors would like to thank the CVS committee members for their enthusiasm in improving their module and for collaboration with the ME team. Special thanks for professor Mahmod S. Alahwal, Dean of the Faculty of Medicine, King Abdulaziz University and Dr. Abdulaziz Boker, head of the ME department on providing help, guidance and support of the ME team.
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