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      Do medical students copy the drug treatment choices of their teachers or do they think for themselves?

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          Abstract

          Purpose

          Although the importance of rational prescribing is generally accepted, the teaching of pharmacotherapy to undergraduate medical students is still unsatisfactory. Because clinical teachers are an important role model for medical students, it is of interest to know whether this extends to therapeutic decision-making. The aim of this study was to find out which factors contribute to the drug choices made by medical students and their teachers (general practitioners and clinical specialists).

          Methods

          Final-year medical students ( n = 32), and general practitioners ( n = 29), lung specialists ( n = 26), orthopaedic surgeons ( n = 24), and internists ( n = 24) serving as medical teachers from all eight medical schools in the Netherlands participated in the study. They were asked to prescribe treatment (drug or otherwise) for uncomplicated (A) and complicated (B) written patient cases and to indicate which factors influenced their choice of treatment, using a list of factors reported in the literature to influence drug prescribing.

          Results

          Final-year medical students primarily based their drug choice on the factors ‘effectiveness of the drugs’ and ‘examples from medical teachers’. In contrast, clinical teachers primarily based their drug choice on the factors ‘clinical experience’, ‘effectiveness of the drugs’, ‘side effects of the drugs’, ‘standard treatment guidelines’, and ‘scientific literature’.

          Conclusions

          Medical teachers would appear to base their drug choice mainly on clinical experience and drug-related factors, whereas final-year medical students base their drug choice mainly on examples provided by their medical teachers. It is essential that medical teachers clearly explain to their students how they arrive at a specific choice of medication since medical students tend to copy the therapeutic drug choices from their teachers, mainly because of a lack of experience. Presenting students with clinical therapeutic problems early during undergraduate training will not only give them a chance to gain experience in solving medical problems but will also give meaning to what they are studying as opposed to merely reproducing what they learn or copying what they are told.

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          Most cited references15

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          A cognitive perspective on medical expertise: theory and implication.

          A new theory of the development of expertise in medicine is outlined. Contrary to existing views, this theory assumes that expertise is not so much a matter of superior reasoning skills or in-depth knowledge of pathophysiological states as it is based on cognitive structures that describe the features of prototypical or even actual patients. These cognitive structures, referred to as "illness scripts," contain relatively little knowledge about pathophysiological causes of symptoms and complaints but a wealth of clinically relevant information about disease, its consequences, and the context under which illness develops. By contrast, intermediate-level students without clinical experience typically use pathophysiological, causal models of disease when solving problems. The authors review evidence supporting the theory and discuss its implications for the understanding of five phenomena extensively documented in the clinical-reasoning literature: (1) content specificity in diagnostic performance; (2) typical differences in data-gathering techniques between medical students and physicians; (3) difficulties involved in setting standards; (4) a decline in performance on certain measures of clinical reasoning with increasing expertise; and (5) a paradoxical association between errors and longer response times in visual diagnosis.
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            Issues in cognitive psychology: implications for professional education.

            Education and cognitive psychology have tended to pursue parallel rather than overlapping paths. Yet there is, or should be, considerable common ground, since both have major interests in learning and memory. This paper presents a number of topics in cognitive psychology, summarizes the findings in the field, and explores the implications for teaching and learning. THE ORGANIZATION OF LONG-TERM MEMORY: The acquisition of expertise in an area can be characterized by the development of idiosyncratic memory structures called semantic networks, which are meaningful sets of connections among abstract concepts and/or specific experiences. Information (such as the assumptions and hypotheses that are necessary to diagnose and manage cases) is retrieved through the activation of these networks. Thus, when teaching, new information must be embedded meaningfully in relevant, previously existing knowledge to ensure that it will be retrievable when necessary. INFLUENCES ON STORAGE AND RETRIEVAL FROM MEMORY: A wide variety of variables affect the capacity to store and retrieve information from memory, including meaning, the context and manner in which information is learned, and relevant practice in retrieval. Educational strategies must, therefore, be directed at three goals--to enhance meaning, to reduce dependence on context, and to provide repeated relevant practice in retrieving information. PROBLEM SOLVING AND TRANSFER: Much of the development of expertise involves the transition from using general problem-solving routines to using specialized knowledge that reduces the need for classic "problem solving." Two manifestations of this specialized knowledge are the use of analogy and the specialization of general routines in specific domains. To develop these specialized forms of knowledge, the learner must have extensive practice in using relevant problem-solving routines and in identifying the situations in which a particular routine is likely to be useful. CONCEPT FORMATION: Experts possess both abstract proto-typical information about categories and an extensive set of separate, specific examples of categories, which have been obtained through individual experience. Both these sources of information are used in categorization and diagnostic classifications. Thus, it is important for educators to be aware that experience with sample cases is not just an opportunity to apply and practice the rules "at the end of the chapter." Instead, experience with cases provides an alternative method of reasoning that is independent of, but equally useful to, analytical rules. Experts clearly do not use classic formal decision theory, but rather make use of heuristics, or shortcuts, when making decisions. Nonetheless, experts generally make appropriate decisions. This suggests that the shortcuts are useful more often than not. Rather than teaching learners to avoid heuristics, then, it might be more reasonable to help them recognize those relatively infrequent situations where their heuristics are likely to fail.
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              Prescribing new drugs: qualitative study of influences on consultants and general practitioners.

              To explore consultants' and general practitioners' perceptions of the factors that influence their decisions to introduce new drugs into their clinical practice. Qualitative study using semistructured interviews. Monitoring of hospital and general practice prescribing data for eight new drugs. Teaching hospital and nearby general hospital plus general practices in Birmingham. 38 consultants and 56 general practitioners who regularly referred to the teaching hospital. Reasons for prescribing a new drug; sources of information used for new drugs; extent of contact between consultants and general practitioners; and amount of study drugs used in hospitals and by general practitioners. Consultants usually prescribed new drugs only in their specialty, used few new drugs, and used scientific evidence to inform their decisions. General practitioners generally prescribed more new drugs and for a wider range of conditions, but their approach varied considerably both between general practitioners and between drugs for the same general practitioner. Drug company representatives were an important source of information for general practitioners. Prescribing data were consistent with statements made by respondents. The factors influencing the introduction of new drugs, particularly in primary care, are more multiple and complex than suggested by early theories of drug innovation. Early experience of using a new drug seems to strongly influence future use.
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                Author and article information

                Contributors
                +31-20-4448090 , +31-20-4448100 , thpgm.devries@vumc.nl
                Journal
                Eur J Clin Pharmacol
                European Journal of Clinical Pharmacology
                Springer-Verlag (Berlin/Heidelberg )
                0031-6970
                1432-1041
                24 November 2009
                24 November 2009
                April 2010
                : 66
                : 4
                : 407-412
                Affiliations
                Department of Clinical Pharmacology and Pharmacy, VU University Medical Center, De Boelelaan 1118, PK1X74, 1081 HV Amsterdam, The Netherlands
                Article
                743
                10.1007/s00228-009-0743-3
                2840661
                19937005
                c76738ef-b387-4a3a-87bc-2550c122e3fd
                © The Author(s) 2009
                History
                : 27 April 2009
                : 1 October 2009
                Categories
                Pharmacoepidemiology and Prescription
                Custom metadata
                © Springer-Verlag 2010

                Pharmacology & Pharmaceutical medicine
                undergraduate teaching,pharmacotherapy,therapeutic reasoning,medical students,drug treatment choice

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