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Dive into the research topics where Janke Cohen-Schotanus is active.

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Featured researches published by Janke Cohen-Schotanus.


Medical Teacher | 2007

The development of a scale to measure personal reflection in medical practice and education

Leo C. Aukes; Jelle Geertsma; Janke Cohen-Schotanus; Rein Zwierstra; Joris P. J. Slaets

Aim: Personal reflection is important for acquiring, maintaining and enhancing balanced medical professionalism. A new scale, the Groningen Reflection Ability Scale (GRAS), was developed to measure the personal reflection ability of medical students. Method: Explorative literature study was conducted to gather an initial pool of items. Item selection took place using qualitative and quantitative methods. Medical teachers screened the initial item-pool on relevance, expert-analysis was used for screening the fidelity to the criterion and large samples of medical students and medical teachers were used to investigate the psychometric characteristics of the items. Finally, explorative factor analysis was used to investigate the structure of the scale. Results: The psychometric quality and content validity of the GRAS are satisfactory. The items cover three aspects of personal reflection: self-reflection, empathetic reflection and reflective communication. The 23-item scale proved to be easy to complete and to administer. Conclusion: The GRAS is a practical measurement instrument that yields reliable data that contribute to valid inferences about the personal reflection ability of medical students and doctors, both at individual and group level.


Medical Education | 2009

Impact of problem-based, active learning on graduation rates for 10 generations of Dutch medical students

Henk G. Schmidt; Janke Cohen-Schotanus; Lidia R. Arends

Objectivesu2002 We aimed to study the effects of active‐learning curricula on graduation rates of students and on the length of time needed to graduate.


Medical Education | 2008

Effects of conventional and problem‐based learning on clinical and general competencies and career development

Janke Cohen-Schotanus; Arno M. M. Muijtjens; Johanna Schönrock-Adema; Jelle Geertsma; Cees van der Vleuten

Objectiveu2002 To test hypotheses regarding the longitudinal effects of problem‐based learning (PBL) and conventional learning relating to students’ appreciation of the curriculum, self‐assessment of general competencies, summative assessment of clinical competence and indicators of career development.


Medical Teacher | 2004

Cross institutional collaboration in assessment: a case on progress testing

Cpm van der Vleuten; Lwt Schuwirth; Amm Muijtjens; Ajnm Thoben; Janke Cohen-Schotanus; Cpa Van Boven

The practice of assessment is governed by an interesting paradox. On the one hand good assessment requires substantial resources which may exceed the capacity of a single institution and we have reason to doubt the quality of our in-house examinations. On the other hand, our parsimonity with regard to our resources makes us reluctant to pool efforts and share our test material. This paper reports on an initiative to share test material across different medical schools. Three medical schools in The Netherlands have successfully set up a partnership for a specific testing method: progress testing. At present, these three schools collaboratively produce high-quality test items. The jointly produced progress tests are administered concurrently by these three schools and one other school, which buys the test. The steps taken in establishing this partnership are described and results are presented to illustrate the unique sort of information that is obtained by cross-institutional assessment. In addition, plans to improve test content and procedure and to expand the partnership are outlined. Eventually, the collaboration may even extend to other test formats. This article is intended to give evidence of the feasibility and exciting potential of between school collaboration in test development and test administration. Our experiences have demonstrated that such collaboration has excellent potential to combine economic benefit with educational advantages, which exceed what is achievable by individual schools.


Medical Education | 2006

The predictive validity of grade point average scores in a partial lottery medical school admission system

Janke Cohen-Schotanus; Arno M. M. Muijtjens; Jan J. Reinders; Jessica Agsteribbe; Herman J. M. van Rossum; Cees van der Vleuten

Purposeu2002 To ascertain whether the grade point average (GPA) of school‐leaving examinations is related to study success, career development and scientific performance. The problem of restriction of range was expected to be partially reduced due to the use of a national lottery system weighted in favour of students with higher GPAs.


Medical Teacher | 1999

Student Assessment and Examination Rules.

Janke Cohen-Schotanus

Assessment influences cognitive and operant aspects of learning. Cognitive aspects of learning are influenced by the content of assessment: what and how do students learn. Usually students only study the educational objectives which will be assessed. If teachers want students to meet all the objectives of a curriculum all these objectives have to be assessed. The operant aspects of learning concern when and how much students learn. How teachers and faculty can influence operant aspects of learning is discussed in this article. Dutch research has shown that the planning of exams and the examination rules are strong factors influencing operant learning. Exams should be programmed regularly, and the examination rules have to be fair but strict. The rule of thumb is that the stricter the rules, the better the examination results. The conclusion is that integration of these factors in assessment procedures will drive student learning in a positive way.


Medical Teacher | 2009

Necessary steps in factor analysis : Enhancing validation studies of educational instruments. The PHEEM applied to clerks as an example

Johanna Schönrock-Adema; Marjolein Heijne-Penninga; Elisabeth A. van Hell; Janke Cohen-Schotanus

Background: The validation of educational instruments, in particular the employment of factor analysis, can be improved in many instances. Aims: To demonstrate the superiority of a sophisticated method of factor analysis, implying an integration of recommendations described in the factor analysis literature, over often employed limited applications of factor analysis. We demonstrate the essential steps, focusing on the Postgraduate Hospital Educational Environment Measure (PHEEM). Method: The PHEEM was completed by 279 clerks. We performed Principal Component Analysis (PCA) with varimax rotation. A combination of three psychometric criteria was applied: scree plot, eigenvalues >1.5 and a minimum percentage of additionally explained variance of approximately 5%. Furthermore, four interpretability criteria were used. Confirmatory factor analysis was performed to verify the original scale structure. Results: Our method yielded three interpretable and practically useful dimensions: learning content and coaching, beneficial affective climate and external regulation. Additionally, combining several criteria reduced the risk of overfactoring and underfactoring. Furthermore, the resulting dimensions corresponded with three learning functions essential to high-quality learning, thus strengthening our findings. Confirmatory factor analysis disproved the original scale structure. Conclusions: Our sophisticated approach yielded several advantages over methods applied in previous validation studies. Therefore, we recommend this method in validation studies to achieve best practice.


Medical Education | 2007

Assessment of professional behaviour in undergraduate medical education: peer assessment enhances performance

Johanna Schönrock-Adema; Marjolein Heijne-Penninga; Marijtje van Duijn; Jelle Geertsma; Janke Cohen-Schotanus

Objectivesu2002 To examine whether peer assessment can enhance scores on professional behaviour, with the expectation that students who assess peers score more highly on professional behaviour than students who do not assess peers.


Medical Education | 2008

Transition to clinical training : influence of pre-clinical knowledge and skills, and consequences for clinical performance

Elisabeth A. van Hell; Jan B. M. Kuks; Johanna Schönrock-Adema; Mirjam T. van Lohuizen; Janke Cohen-Schotanus

Contextu2002 Many students experience a tough transition from pre‐clinical to clinical training and previous studies suggest that this may constrict students’ progress. However, clear empirical evidence of this is lacking. The aim of this study was to determine: whether the perceived difficulty of transition influences student performance during the first 2u2003weeks of clerkships; whether it influences students’ overall performance in their first clerkship, and the degree to which the difficulty of transition is influenced by students’ pre‐clinical knowledge and skills levels.


Medical Teacher | 2010

A standard setting method with the best performing students as point of reference : Practical and affordable

Janke Cohen-Schotanus; Cees van der Vleuten

Background: Teachers involved in test development usually prefer criterion-referenced standard setting methods using panels. Since expert panels are costly, standards are often set by a pre-fixed percentage of questions answered correctly or norm-referenced methods aimed at ranking examinees. Aim: To discuss the (dis)advantages of commonly used criterion and norm-referenced methods and present a new compromise method: standards based on a fixed cut-off score using the best scoring students as reference point. Methods: Historical data from 54 Maastricht (norm-referenced) and 52 Groningen (criterion-referenced) tests were used to demonstrate huge discrepancies and variability in cut-off scores and failure rates. Subsequently, the compromise model – known as Cohens method – was applied to the Groningen tests. Results: The Maastricht norm-referenced method led to a large variation in required cut-off scores (15–46%), but a stable failure rate (about 17%). The Groningen method with a conventional, pre-fixed standard of 60% led to a large variation in failure rates (17–97%). The compromise method reduced variation in required cut-off scores as well as failure rates. Conclusion: Both the criterion and norm-referenced standards, used in practice, have disadvantages. The proposed compromise model reduces the disadvantages of both methods and is considered more acceptable. Last but not least, compared to standard setting methods using panels, this method is affordable.

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Dive into the Janke Cohen-Schotanus's collaboration.

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Johanna Schönrock-Adema

University Medical Center Groningen

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Jan B. M. Kuks

University Medical Center Groningen

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Elisabeth A. van Hell

University Medical Center Groningen

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Marjolein Heijne-Penninga

University Medical Center Groningen

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Jan C. C. Borleffs

University Medical Center Groningen

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Joannes Kuks

University Medical Center Groningen

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Jan J. Reinders

Hanze University of Applied Sciences

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Henk G. Schmidt

Erasmus University Rotterdam

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