- Research article
- Open Access
- Open Peer Review
How learning style affects evidence-based medicine: a survey study
© Zwolsman et al; licensee BioMed Central Ltd. 2011
- Received: 28 April 2011
- Accepted: 8 October 2011
- Published: 8 October 2011
Learning styles determine how people manage new information. Evidence-based medicine (EBM) involves the management of information in clinical practice. As a consequence, the way in which a person uses EBM can be related to his or her learning style. In order to tailor EBM education to the individual learner, this study aims to determine whether there is a relationship between an individual's learning style and EBM competence (knowledge/skills, attitude, behaviour).
In 2008, we conducted a survey among 140 novice GP trainees in order to assess their EBM competence and learning styles (Accommodator, Diverger, Assimilator, Converger, or mixed learning style).
The trainees' EBM knowledge/skills (scale 0-15; mean 6.8; 95%CI 6.4-7.2) were adequate and their attitudes towards EBM (scale 0-100; mean 63; 95%CI 61.3-64.3) were positive. We found no relationship between their knowledge/skills or attitudes and their learning styles (p = 0.21; p = 0.19). Of the trainees, 40% used guidelines to answer clinical questions and 55% agreed that the use of guidelines is the most appropriate way of applying EBM in general practice. Trainees preferred using evidence from summaries to using evidence from single studies. There were no differences in medical decision-making or in EBM use (p = 0.59) for the various learning styles. However, we did find a link between having an Accommodating or Converging learning style and making greater use of intuition. Moreover, trainees with different learning styles expressed different ideas about the optimal use of EBM in primary care.
We found that EBM knowledge/skills and EBM attitudes did not differ with respect to the learning styles of GP trainees. However, we did find differences relating to the use of intuition and the trainees' ideas regarding the use of evidence in decision-making.
- Learning Style
- Training Institute
- Specialty Training
- Berlin Questionnaire
- Prefer Learning Style
Evidence-based medicine (EBM) is defined as "the conscientious, explicit and judicious use of current best evidence in making decisions about the care of individual patients, in combination with the physician's clinical expertise, the patient's condition and the preferences of the patient" [1–4]. For teaching EBM to trainees, as with all forms of teaching, it is necessary to know whether the trainees differ in terms of their learning styles, prior knowledge of EBM and other EBM characteristics (attitudes and self-reported behaviour) . Learning styles determine the management of new information . EBM involves the management of information in clinical practice. As a consequence, the use of EBM could be related to a person's learning style. However, it is still unknown whether -based on this common link to the management of information- there is a relationship between learning styles and EBM. A potential relationship between learning styles and EBM would explain how trainees use information and combine this with their own preferences and with those of their patients in clinical decision-making.
Aim of the study
Education in EBM has been adopted by all of the Dutch General Practice Training Institutes. If a relationship between learning style and EBM were to be found, current educational approaches could be adapted to encourage trainees to develop their own particular way of making decisions (their preferred learning style) and to teach them how to improve their evidence-based decision-making in light of their own learning styles. The aim of this study is therefore to assess whether there is a relationship between learning style and predetermined EBM characteristics (knowledge/skills, attitude and self-reported behaviour).
We conducted a cross-sectional survey study of 140 GP trainees who had just embarked on their Specialty Training. We collected data between September 2008 and May 2009.
In the Netherlands, GP Specialty Training is a competency-based, three-year course consisting of clinical practice training and educational tutorials, organised in accordance with CanMEDS competencies at training institutes . EBM plays an important role in this course, and trainees are given training in the knowledge/skills required for translating evidence into clinical practice [8, 9].
In this study, we included first-year GP trainees from three GP training institutes (Leiden University, University of Groningen and AMC-University of Amsterdam) who were in the first month of their Specialty Training, prior to embarking on formal EBM education. The participating training institutes were selected from eight available institutes to ensure adequate representation in terms of geography and education.
We simultaneously administered four questionnaires on EBM competence (personal characteristics, knowledge/skills, attitude, and behaviour) within each training institute under exam conditions (individually and under supervision). We printed the definition of EBM (as given in the introduction) at the top of each section of the questionnaire. The trainees filled in the learning-style questionnaire at home. We notified the trainees that we would use the questionnaires for research purposes, and all of the trainees gave written informed consent. The trainees were free to refrain from participation. The study was approved by the heads of the training institutes and was performed in accordance with the Declaration of Helsinki.
The trainees completed five questionnaires:
▪ Personal characteristics: besides sex, age and year of graduation, we asked the trainees about the previously attended EBM related courses, research experience, and how many years of experience they had in research and practice.
▪ Learning style (Figure 1 ): As in a recent study among GPs , Honey and Mumford's Learning Style Questionnaire  - translated into Dutch - was used to determine the trainees' learning styles. The questionnaire has been derived from Kolb's learning theory . Kolb et al. arranged the learning styles along two axes: active-theoretical (vertical), and reflective-pragmatic (horizontal) . The questionnaire consists of 80 true/false questions of which each learning style (active, theoretic, pragmatic and reflective) is represented by 20 questions . Filling in the Learning Style Questionnaire leads to a score on each axis . These scores on the four learning styles can be converted into Kolb's learning style quadrants that reflect the general preferred method of learning of a person and are related to the components (starting points) of Kolb's experiential learning cycle . To calculate the learning style quadrants, we subdivided the outcomes of the questionnaire into the scores on the four learning style quadrants. We considered the quadrant with the highest outcome to be the trainee's preferred learning style, or, in the case of multiple quadrants, we designated the trainee to a mixed group (if scores in ≥2 quadrants were equal) [6, 11].
▪ Knowledge/skills: to assess EBM knowledge/skills we used the two equivalent and interchangeable versions (version A and version B) of the Berlin questionnaire . Each version consists of 15 multiple-choice questions and has good validity and reliability . Each correct answer generates one point, with a minimum of 0 and a maximum of 15 points per questionnaire . We translated and subsequently validated the Berlin questionnaire into Dutch, using forward-backward translation. In this study, we used the Dutch translation. The results of the validation of the Dutch Berlin questionnaire have been described elsewhere .
▪ Attitude: the attitude questionnaire, composed by McColl et al. , consists of 20 questions: seven with a visual analogue scale and 13 multiple-choice questions on an individual's general attitude towards EBM . The questionnaire was translated into Dutch using forward-backward translation  and was adjusted for Dutch GP trainees. As the McColl questionnaire was developed in 1998, we adapted the questions on databases in line with current standards (Clinical Evidence, Trip, Sumsearch, Cochrane Systematic Reviews, PubMed Systematic Reviews via Clinical Queries). The overall attitude score from the visual analogue scales was valued between 0-100. We inversed scales with opposite outcome measures (questions 6 and 7) for statistical comparison, and determined the mean attitude.
▪ Self-reported behaviour: the questionnaire on behaviour consists of five components, with a total of two open and 38 multiple-choice questions/statements about actual behaviour based on the "Conceptual Framework" of Straus et al.  and the five EBM steps as described by Dawes et al. . We asked trainees about the factors that contribute to their clinical decision-making. For instance, we asked: "How often have you translated a clinical problem into an answerable question during the last two weeks?" For the statements, we used a 5-point Likert scale with: 1 = never, 2 = seldom, 3 = sometimes, 4 = often, and 5 = always.
For statistical analyses, we used SPSS for Windows version 16.0. We described the characteristics of the participants and their overall scores on the questionnaires by means of proportions, means and 95% confidence intervals for continuous data that are normally distributed, and medians and interquartile range (quartiles) for data that are not normally distributed. We analysed all of the questionnaires as set out in the description of the original studies [6, 11, 12, 14]. We compared differences in scores among subgroups for each learning style, using the χ2 test for categorical data and ANOVA for continuous data that are normally distributed, and the Kruskal-Wallis test for data that are not normally distributed. We used a post hoc Bonferroni correction to deal with the bias of multiple testing.
We considered age , sex, previous EBM-related courses, research experience and years since graduation  to be potential confounders within learning style as related to EBM knowledge/skills, and EBM attitudes. As in previous studies, more experienced individuals (those who had graduated seven years or more previously)  and women  were shown to have higher levels of knowledge. We assumed possible confounding relations between the above-mentioned variables on the basis of research that indicates that there is a relationship between sex, research experience and time elapsed since graduation with knowledge  on the one hand, and a relationship between learning style and knowledge in postgraduate education  on the other. In the Netherlands, after having graduated from University, it is optional to either immediately start Specialty Training or -prior to Specialty Training- start obtaining practice experience or doing a PhD. As a result, there can be significant differences in practice experience and research experience between first-year trainees. Due to changes in EBM education, trainees who graduated during different periods may have received different kinds of education. We performed univariate and multivariate linear regression analyses to assess factors influencing knowledge/skills and attitudes towards EBM. Only knowledge/skills, and attitudes were taken into consideration, because these two variables have one numeric measure of outcome. This does not apply to the self-reported clinical behaviour variable. Only factors with a p-value of < 0.10 in the univariate analyses were entered into the multivariate model. Multivariate, we considered a p-value of < 0.05 to be statistically significant.
Baseline characteristics of 140 GP trainees and their learning styles
Number of trainees
mean ± SD
29.3 ± 3.3
28.8 ± 2.4
30.6 ± 4.1
29.6 ± 3.8
28.8 ± 2.2
29.2 ± 3.6
Years since graduation
EBM knowledge/skills Table 2
BM knowledge/skills and attitude in GP trainees
EBM attitude Table 2
The overall attitude score, measured using the McColl questionnaire, points in a positive direction: the mean is 63 (95% CI 61.3-64.3) (0 = very negative, 100 = very positive). No difference was found in the mean attitude for trainees with different learning styles (p = 0.19).
EBM self-reported behaviour: the EBM steps
Step 1: Ask
Of the participants, 52% reported that they had not asked themselves answerable questions on clinical problems encountered in patient consultations in the two weeks prior to filling in the questionnaire. The remaining participants, however, had asked themselves such questions and had subsequently answered them, although a majority (67%) did this in fewer than half of the clinical problems they had encountered. The various learning styles show no difference in self-reported behaviour (p = 0.45) (data not shown).
Step 2: Access
Information-seeking behaviour of 140 Dutch GP trainees
Clinical Guidelines for GPs
Ask GP trainer
As a response to the behaviour questionnaire, trainees currently prefer to use guidelines (40%) but indicate that in future, they would prefer to use reviews plus guidelines (37%), or would even prefer to learn how to fully apply EBM (38%). In practising EBM, all learning styles show comparable self-reported behaviour (p = 0.59). For general practice in particular, 55% believe that the exclusive use of guidelines is the preferred way to apply EBM. Assumptions about the way in which EBM should be used in general practice differ according to learning style (p = 0.04): Divergers and Convergers feel that using guidelines plus systematic reviews is best for general practice, while Accommodators and Assimilators think that using guidelines alone is sufficient.
Trainees do not necessarily record and file the answers they find when searching the literature: 14% regularly file questions and answers, 45% hardly ever do so and 41% never file questions and answers. If questions and answers are filed, trainees mainly do this by writing down annotations, and (sometimes) by using digital databases, saved files or printed results. No significant differences among the learning styles were found (p = 0.07).
Step 3: Appraise
Appraising articles per learning style quadrant
Step 4: Apply
Variables influencing the decision-making process in GP trainees per learning style
The evaluation of EBM performance was not assessed in this study.
None of the possible confounders (age, sex, previous EBM-related courses, research experience and number of years since graduation) were significantly related to EBM knowledge/skills and attitudes towards EBM.
When teaching EBM, it is necessary to have a clear idea of the characteristics of EBM learners . We hypothesised that the manner in which individuals with their own preferred learning styles manage information could be related to these individuals' retrieval and use of new evidence (i.e. evidence-based practice). No significant differences in EBM knowledge/skills and EBM attitudes among novice trainees with their own preferred learning styles were found, however.
This does not imply that the learning style of trainees should not be taken into account when teaching the principles of EBM: we did find significant differences among the learning styles regarding trainees' ideas about the use of EBM in general practice, and how they use their intuition in their decision-making. Adapting teaching styles to learning styles may lead to improved motivation and learning on the part of trainees . On the other hand, some studies suggest that adapting teaching styles to learning styles might not affect learning at all . Considerable attention should thus be paid to the outcomes when adapting teaching styles to learning styles of trainees.
A particular point of interest is that the intuition of the trainees has a major influence on their decision-making. The fact that they reported frequent reliance on intuition when making clinical decisions is surprising, as one would not expect novice physicians to rely solely on intuition . Experts who rely on intuition often apply internalised or integrated knowledge/skills , but it is unclear how trainees would do so. It would therefore be interesting to investigate what trainees understand by 'use of intuition' and to find out whether the decisions based on intuition are evidence-based. In education, particular attention should be paid to trainees with Accommodating and Converging learning styles, as they are more prone to using their intuition and thereby do not automatically work in an evidence-based way.
The trainees also had contrasting ideas about what constitutes the best evidence-based way of working. However, this relationship is more difficult to explain: Accommodators and Assimilators -opposites on the learning style axes- would rather use guidelines, whilst Convergers and Divergers would rather use guidelines plus systematic reviews. This outcome suggests that trainees with varying learning styles have different opinions about the evidence that they would want to use in their practice. Moreover, although extensive, the Dutch practice guidelines for General Practitioners are not always up-to-date and do not always answer every clinical question . It would thus be interesting to know if and where Accommodators and Assimilators look for information that they cannot derive from the standards.
Although the above-mentioned differences among the learning styles are significant, one non-significant finding does require our attention: with respect to the asking and answering of questions that arise during clinical consultations, 67% of the trainees experienced this in fewer than 50% of the clinical problems they encountered. In other words: during practice consultations, trainees face uncertainties and gaps in their knowledge that are not filled by the relevant (scientific) information. The process of asking and answering questions was also studied by Ely et al., whose results confirm the finding in our study that GPs leave most questions unanswered .
There are some methodological limitations to the execution of this study. We used the outcomes of Honey and Mumford's Learning Style Questionnaire to calculate Kolb's Learning Style Quadrants [6, 11]. In measuring learning styles, calculating the four basic learning styles (active, theoretic, pragmatic and reflective) using Honey and Mumford's Learning Style Questionnaire appears to be more reliable than using Kolb's inventory . When using only the scores on the axes as outcomes, as suggested by Honey and Mumford, people obtain a score on each axis and have dominant scores in one or two of the basic learning styles [11, 21]. However, in doing so, the integration between the dimensions of the axes is lost, and with them the relation with Kolb's experiential theory of learning, which is more informative for education. To overcome this problem, we calculated the quadrants Kolb originally suggested [6, 10], indicating a generally preferred way(s) of learning for a person, relating to the starting point in Kolb's experiential learning cycle . This information is more useful when coaching persons to apply effective methods of learning in specific situations . That is why we -along with multiple studies on learning styles- calculate learning style quadrants to express the preferred learning style(s) of a person, instead of using the separate scores on both axes [10, 11, 19].
The lack of a relationship between a trainee's learning style and EBM learning might also be related to the validity of the learning-styles questionnaire and possible changes and flexibility in learning styles. Some doubt the validity and reliability of the division into different learning styles [26, 27]. Other studies suggest that learning styles are highly dependent on the learning environment and the nature of the learning required [26, 28, 29]. The learning styles that the trainees present during formal training may therefore differ from the learning styles that they apply during clinical practice.
In addition, the assessment of EBM competence can be discussed. We assessed EBM behaviour using a self-reported measure, which may have influenced the outcomes. Currently, no valid measure, however, is available for measuring the actual practice of EBM . Because the trainees filled in the questionnaires anonymously, we created optimal conditions to give reliable answers to the questions. The (lack of a) relationship between learning style and EBM behaviour should, however, be interpreted with caution until studies based on the observation of actual clinical behaviour have been performed. Our decision to use the Berlin questionnaire was based on the fact that this is the only available valid multiple-choice test on EBM knowledge/skills that measures the ability of applying knowledge in written clinical scenarios .
Overall, although the levels of knowledge/skills and attitudes of all GP trainees are comparable, these have different perceptions and ways of dealing with uncertainties in practice. Since evidence plays a critical role in GPs' clinical decision-making, and since the GP trainees' use of evidence depends on how they approach uncertainties, the differences found in this study need to be examined more closely. The differences found in this study regarding the use of intuition among the trainees could well form a critical barrier to the implementation of EBM. Therefore, since formal education is successful when it comes to providing trainees with EBM knowledge/skills, and since the manner in which GP trainees make decisions is ultimately affected by their learning styles, attention should be paid to transferring these knowledge/skills to clinical practice. In EBM education, teachers should therefore focus more on providing trainees with the skills needed to combine evidence, their personal preferences as doctors, and the preferences of the patient . As a result, a shift from formal training in the five steps  towards EBM decision-making in practice should become a priority in the development of EBM courses.
Learning styles are not related to the EBM competence of novice GP trainees. However, significant differences among the trainees were found regarding their use of intuition in decision-making, the way in which they sought answers to their questions, and their perception of what constituted the best way of applying EBM in general practice. Research in clinical practice needs to be undertaken in order to understand how trainees handle information in practice, and what kind of practical education could improve the actual EBM behaviour of GP trainees.
The authors wish to thank GS de Wolf (second-year coordinator of the Master's course on Evidence-Based Practice at the University of Amsterdam), J Fokkema (second-year coordinator of the GP Specialty Training Department, University Medical Center Groningen) and M Langendoen-Roel (head of the GP Specialty Training Department, Leiden University Medical Center) for contributions made to the development and execution of this study.
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