Promise of the new educational strategy for curriculum devel | #education | #technology | #training


Introduction

Competent professional practice requires not only affective and psychomotor skills but also sophisticated thinking, reasoning, and decision-making skills.1 Effective clinical reasoning skills improve accurate and safe diagnosis and management which prevent diagnostic errors and positively impact patient outcomes. Conversely, poor clinical reasoning skills negatively impact effectiveness in clinical practice, quality of care and patients’ experiences.2 Developing clinical reasoning skills is, therefore, a core competency expected to be acquired by all health-care professionals and must be taught at all levels of healthcare training.3

Clinical reasoning is a learned skill and requires both good educational setting and strategy to teach it.4 Clinical case presentations, case-based discussions, clinical problem-solving exercises and structured case presentation are the good settings for teaching clinical reasoning skills. A deliberate practice which includes finding opportunities for repeated practice, requesting honest feedback on performance at frequent intervals, maximizing learning from each case, reflecting on feedback and errors are also a good strategy for teaching clinical reasoning skills.4–7

In recent years, a number of studies have emerged providing evidence on the structure and content of a curriculum for fostering the development of students’ clinical reasoning skills. The findings of a comprehensive evaluation of the effects of curricular approach on students’ learning showed that an institution’s curricular approach, practices and policies affect student clinical reasoning abilities, shape students’ educational experiences and influence learning outcomes.8 The fragmented course sequencing which separates theory and practice in a traditional curriculum is considered to be one factor contributing to deficient clinical reasoning skills.9 There are well-documented weaknesses in the traditional content-based teaching approach in developing key health professional’s skills. These include a lack of relevance to actual health practice and insufficient attention given to teaching communication skills, problem-solving skills, clinical reasoning skills and other social aspects of health.10,11 This leads to the existence of gaps in the competency of health workers, graduates’ ability to deal effectively with real-life health situations.12

In the last decade, several health professional education curricula in Ethiopia have been redesigned with the goal of improving student competence in key health-care delivery skills. Despite the fact that some academic programs adhered to the traditional educational strategy, which is subject-centered, employs a didactic content-based teaching approach, and is distinguished by late clinical and community exposure of students, a significant number of academic programs adopted a new educational strategy for curriculum development: Student-centered, Problem-based, Integrated, Community-based, Elective, and Systematic (SPICES) model. For instance, Debre Tabor University (DTU), one of the newly established higher education institutions in Ethiopia, adopted a new educational strategy for curriculum development (SPICES) model as a remedy for the weaknesses of the conventional curriculum in the development of key health-care delivery skills including clinical reasoning skills.10–13 The new educational strategy for curriculum development incorporated developments in the field of medical education, which include: (1) competency-based curriculum design; (2) vertical and horizontal integration of the courses and clinical experiences into a conceptually meaningful structure; (3) use of innovative educational strategies like Problem Based Learning (PBL); and (4) early and longitudinal clinical and community exposure.14

More empirical evidence is needed, however, to determine whether the new educational strategy for curriculum development is effective in improving student competence, including students’ clinical reasoning skills on priority health problems in the country such as postpartum hemorrhage (PPH), an obstetric emergency and the leading cause of maternal mortality, accounting for 10% of all pregnancy-related deaths in Ethiopia.15,16 Therefore, the objective of this study is to assess whether the new educational strategy for curriculum development improves clinical reasoning ability of midwifery students comparing with a peer institution that follows a conventional curriculum.

Materials and Methods

Study Design

A cross-sectional study was conducted to compare the clinical reasoning skills of midwifery students from the new educational strategy for curriculum development (SPICES model) versus traditional curricular groups in the management of PPH.

Study Setting and Population

This study was conducted in Debre Tabor University and Woldia University, third generation universities located in Amhara National Regional State, Ethiopia. The study population was fourth-year midwifery students enrolled in regular baccalaureate degree program at Debre Tabor and Woldia University. Both Higher Education Institutions (HEIs) had similar student population, faculty and educational resources. The DTU midwifery department had a total of 188 students, 26 active faculty members, two clinical skill development labs, three classrooms, seven clinical practice sites and one library/information technology center. Similarly, WU midwifery department had 184 students, 25 active faculty members, two clinical skill development labs, three classrooms, five clinical practice sites and one library/information technology center. We invited all graduating class (final year) midwifery students in both training institutions to participate in the study. This study was conducted with the approval of Jimma University institutional review board. Survey respondents provided informed consent to participate in this study.

Data Collection Methods

Data were collected from June to July, 2017. A Script Concordance Test (SCT) was applied to assess clinical reasoning skills in the management of PPH. The SCT is a written test for assessing the reasoning skill under conditions of uncertainty. It has demonstrated favorable psychometric qualities (predictive validity of 0.721)17 and reliability (Cronbach’s alpha of 0.78) in research conducted across a variety of health disciplines and across the spectrum of education, from undergraduate through postgraduate to continuing professional development.18

Data Collection Instrument and Quality Control

The authors who were familiar with the purpose, target audience and content domain of the test were involved in developing items for the SCT. Careful quality-control measures were taken at whether the SCT test addresses a challenging situation or not, the inclusion of all judgment types (diagnosis, investigation, treatment, etc.) and all medical settings using quality Grid for SCT items criteria.19 Clear instructions and training were given to item writers and the quality of items was checked. The first version of the test was reviewed by five experienced midwives. Reviewers were asked to verify the relevance of questions and clarity of the wording. Low-quality questions were replaced, discarded or rewritten. The final version of the test included SCT involving 24 cases with three questions nested within each case and with testing times of 60 to 90 minutes which was administered to junior (third-year) and senior (fourth-year) midwifery students to assess the validity of the test. The score of the senior students was significantly greater than those of the less-trained juniors (Mean SCT score difference was 0.15, P-value 0.003). Furthermore, the mean SCT score of the expert panel members (19.2(SD= 1.2) out of a maximum 24 points) was significantly higher than that of senior year midwifery students enrolled in both the new curriculum and the conventional approach (Mean = 16.91(SD= 4.5), P = 0.003 and 13.5(SD=2.8), P < 0.001), respectively. This validated the SCT items.

Administering the Test

The SCT was developed for a paper-based self-administered questionnaire. Because the test format was unusual for most students, the lead author provided an explanatory introduction and a few practice items to familiarize both study groups in a consistent manner.

Scoring the Test

Fifteen-panel members, all expert midwives with Master’s degree in clinical midwifery and greater than five years of clinical experience, were selected to complete the test independently in order to set the response keys. Their answers were used to develop the scoring key. A maximum score of 1 was given for the response chosen by most of the experts (ie, the modal response). Other responses were given partial credit, depending on the fraction of experts choosing them. Responses not selected by experts received zero.20 Scores obtained on each question were added to obtain a total score for the test. We used an aggregate scoring method – an examinee’s total score for the test was the sum of the credit obtained for each of the questions, divided by the total obtainable credit for the test.17–19 The examinee’s responses to each question are compared with those of a reference panel. The panels mean thus serves as a reference value. The final score is meant to reflect how closely the examinee’s judgments match with those of panel members faced with the same set of ill-defined clinical problems.20

Data Analysis

The overall mean SCT score and SD of midwifery students who went through both the new and conventional curriculum approach were calculated. An independent two-sample t-test was used to determine whether the two groups differed significantly in each and overall mean SCT item score.

Results

A total of 77 final year midwifery students participated in this study. Of them, thirty-eight attended the new curricular approach (were from DTU) and thirty-nine attended the conventional curricular approach (were from WU). Nearly, all were under 25 years of age and males accounted for 73% of the study participants from DTU and 53% of WU group (Table 1).

Table 1 Demographic Characteristics of Participants in the Study Based on Their Curriculum Enrollment

The overall mean SCT score of midwifery students who went through the new curricular approach was 0.70 (range: 0.44–0.88) while midwifery students who went through the conventional curriculum scored 0.53 (range: 0.28–0.71) (Figure 1).

Figure 1 Mean clinical reasoning skills score of each SCT items by their study groups.

A statistically significant difference in mean clinical reasoning skills SCT score was found between the two groups in 12 out of 24 SCT items (Table 2).

Table 2 Differences in Mean Clinical Reasoning Skills of Each SCT Item by Study Group

An independent two-sample t-test with equal variance assumption (F = 1.09, numerator df = 37, denominator df = 38, p = 0.78) indicated a statistically significant difference in the overall (composite) mean SCT score between the two groups of study (Table 3).

Table 3 Independent Samples t-Test Comparing Composite the Mean Clinical Reasoning Skills SCT Score Between the Two Groups of Study

Discussion

Our study is the first to generate empirical evidence and observe the outcome of different curricular approaches on midwifery students’ learning outcomes in Ethiopian context.

In our study, more than one-third of midwifery students in the innovative curricular approach achieved scores above or equal to the panel mean, reflecting a mastery of knowledge in these domains that suggests a reasoning capacity compatible with autonomous professional practice.

Our result revealed that there was a statistically significant difference in the mean SCT scores between the two groups of students. In other words, the new curricular approach has a significant effect in fostering the development of midwifery students’ clinical reasoning ability in managing PPH as compared to the conventional curriculum.

A high SCT score by midwifery students taught using the innovative curricular approach, therefore, indicates that an examinee interprets information pertaining to ill-defined clinical problems similar to a majority of experienced midwives.20 Higher SCT scores also reflect a high degree of concordance with decisions made by the panel of experienced midwives. The high degree of concordance corresponds to the optimal use of information by students to solve authentic clinical problems and to the interconnected knowledge the students have accumulated through learning.17 The higher SCT score despite the two groups being similar in terms of their background characteristics, pre-admission GPA, and the educational environment indicate that the difference is likely to be due to the new curricular approach and educational strategies.

Our result is consistent with recent studies that have shown that curricular approach, practice, and the kinds of pedagogies institutions implement affect student learning, shape students’ educational experiences, and influence learning outcomes.8,23

The curricular approaches that most likely contributed for the higher performance in clinical reasoning skills by the innovative curriculum students are the integration of courses with clinical experience, the use of innovative educational strategies like PBL and the structure of clinical experiences. Evidence from the literature suggests that integrated courses enable students to learn meaningful sets of information that are more easily retained and applied to other situations. Structuring learning in an integrated and reinforced manner can encourage the development of higher-level objectives, such as the application of knowledge, reasoning, and problem-solving skills.8 In contrast, the fragmented course sequencing which separates theory and practice in a traditional curriculum is considered to be one factor contributing to a deficient in clinical reasoning skills.9

PBL is also believed to improve the problem-solving skills of students by focusing on the development of a hypothetical-deductive reasoning process. There are also reported benefits of PBL in terms of students’ ability to think critically and deal with clinical uncertainty and ambiguity. PBL has positive effects on medical competencies, particularly for improving professional and clinical diagnostic skills. Students taught in a problem-based curriculum have demonstrated improved clinical reasoning skills.9,21

Another key feature of the new innovative curricular approach which offers potential for the higher performance of students in clinical reasoning skills could be the early and longitudinal structure of clinical experience. Several researchers have concluded that early and longitudinal clinical exposure is an important aspect in the development of diagnostic reasoning skills to expert level which improves with a number of clinical encounters.22,23

Strengths and Limitations of the Study

This study has much strength. It generated empirical evidence on the effectiveness of innovative curriculum design in improving student learning outcomes. We selected comparable institutions in all aspects except for the curricular approach. Clinical reasoning skills were assessed using SCT, which has favorable psychometric qualities. Furthermore, the higher composite mean scores in the fourth-year than third year midwifery students show that the SCT questions supported the construct validity of the SCT scores.

This study was limited as it did not explore the contextual factors like teachers and student characteristics that may impact the findings. Also, there was no pre-test conducted and hence we would not know if the two groups had equal baseline abilities. Moreover, this study only evaluated clinical reasoning skills in managing PPH and this may not be generalizable to other clinical problems and other health-care delivery skills.

Conclusion

Our results concluded that the new curricular approach has a statistically significant effect in fostering the development of midwifery students’ clinical reasoning ability in managing PPH as compared to the conventional curriculum. Hence, the innovative curricular approach promises to improve the attainment of essential competencies for health professionals. We recommend more rigorous evaluation studies to replicate these findings with other clinical problems and health-care delivery skills.

Finally, the study built additional knowledge by extending previous work on the effect of curricular approach and practice in fostering the development of students’ clinical reasoning skills and influence learning outcomes particularly in resource constrained setting.8

Abbreviations

CRS, Clinical reasoning skills; DTU, Debre-Tabour University; GPA, Grade Point Average; HEIs, Higher Education Institution; PPH, Post-Partum hemorrhage; PBL, Problem Based Learning; SCT, Script Concordance Test; SPICES, Student centered, Problem Based, Integrated, Community based, Elective and Systematic; WU, Woldeya University.

Ethics Approval

Approval was granted by the Ethics Committee of Jimma University, Ethiopia.

Consent to Participate

Informed oral consent was obtained from all individual participants included in the study.

Acknowledgments

We are very grateful to Institute of Health Sciences, Jimma University, Ethiopia for the ethical clearance. We would also like to thank all faculties and students participated in this study for their commitment to responding for our interviews. Our gratitude also goes to supervisors and data collectors.

Author Contributions

EM contributed to the overall design, analysis and writing of the study. All authors contributed to writing and revision of the article, have agreed on the journal to which the article will be submitted, gave final approval of the version to be published, and agree to be accountable for all aspects of the work.

Disclosure

The authors report no conflicts of interest in this work

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