Biomedical subjects

Kevin Volkan

Publications and source records attributed to Kevin Volkan.

7 recordsLinked to original sources

PubMed2005

Developing and evaluating a residents' curriculum.

This study examines the impact of a Bright Futures-based curriculum designed to teach pediatric residents how to integrate health education principles into everyday clinical practice. A two-phase study was conducted to evaluate the curriculum using both quantitative and qualitative methods. To measure the curriculum's impact on residents' clinical performance, a pre- and post-objective structured clinical examination (OSCE) design was administered to 14 residents in two groups: a control group (n=8) and an intervention group (n=6). Performance scores improved in the intervention group from pre- to post-testing in three core curriculum concepts (there was no change in the control group); performance in a fourth concept improved in both groups; and for the remaining two concepts, there was no change among the intervention group but an improvement in scores among those in the control group. Residents in the intervention group reported the curriculum to be of high quality and low difficulty. This study demonstrated that the curriculum had a positive impact on a resident's perceptions of his or her practice one year after participating in the intervention. The data suggest that each of the modules can be taught, the content learned and the principles applied to one's clinical practice.

Clinical Competence↗

PubMed2004

Psychometric structure of a comprehensive objective structured clinical examination: a factor analytic approach.

PROBLEM STATEMENT AND BACKGROUND: While the psychometric properties of Objective Structured Clinical Examinations (OSCEs) have been studied, their latent structures have not been well characterized. This study examines a factor analytic model of a comprehensive OSCE and addresses implications for measurement of clinical performance. METHODS: An exploratory maximum likelihood factor analysis with a Promax rotation was used to derive latent structures for the OSCE. RESULTS: A model with two correlated factors fit the data well. The first factor was related to Physical Examination and History-Taking was labeled as information gathering, while the second factor was related to Differential Diagnosis/Clinical Reasoning, and Patient Interaction and was labeled as reasoning and information dissemination. Case Management did not contribute to either factor. The factors accounted for a total 61.6% of the variance in the skills variables. CONCLUSIONS: Recognizing the psychometric components of OSCEs may support and enhance the use of OSCEs for measuring clinical competency of medical students.

Clinical Competence↗

PubMed2004

Development of validated instrument to measure medical student learning in clinical urology: a step toward evidence based education.

PURPOSE: To date published efforts to assess and improve medical student learning in urology have been limited due to the lack of an assessment tool with which to measure student learning. We report the development of a validated measure of medical student learning in urology. MATERIALS AND METHODS: Four core topics in clinical urology were selected as the focus of the test development, namely prostate cancer, screening with prostate specific antigen, benign prostatic hyperplasia and erectile dysfunction. Detailed curricula and multiple choice questions were created for each topic. Content validity of the curriculum and 28 item examination was established by a panel of 2 urologists and 2 medical physicians. Instrument reliability was determined by administering the test on line to third-year surgery students. Test construct validity was established through its administration to 19 urology residents and attending physicians. RESULTS: Reliability of the 28-item test instrument was measured by Cronbach's alpha at 0.76 and its 1-week test-retest reliability was 0.72. All urology experts performed well on the test. Mean urological expert scores were significantly higher than mean student post-test scores (24.9 +/- 2.1 vs 17.8 +/- 3.8, 2-tailed t test p <0.001). Urological experts with greater urological training had higher scores than those with less residency training. CONCLUSIONS: This study documents the development of a validated measure of medical student learning in urology. This validated instrument has the potential to improve educational quality control at medical schools and facilitate the development of effective, evidence based teaching methods.

Adult↗

PubMed2004

Development and initial evaluation of a novel urology curriculum for medical students.

PURPOSE: After the development and implementation of a novel urology curriculum for medical students we evaluated urological learning by medical students using a validated measure of learning in the 4 clinical areas of benign prostatic hyperplasia, erectile dysfunction, prostate cancer and prostate specific antigen screening. MATERIALS AND METHODS: Third year medical students completed an online validated pre-test and post-test immediately before and after the mandatory 1-week clinical rotation in urology. Online pre-surveys and post-surveys were also administered. Overall student participation was 90% (37 of 41) with 63% of students (26 of 41) completing all 4 tests and surveys. RESULTS: Student overall test scores improved significantly upon completion of the 1-week clinical rotation in urology (p <0.001). A trend toward increased learning by male students was identified (p = 0.07). Significant variation in exposure to outpatient clinics and in the performance of physical examination skills was observed among the different teaching sites. CONCLUSIONS: This study demonstrates significant learning by medical students during their 1-week clinical rotation in urology. Further data are needed to confirm the trend toward increased learning by males and elucidate its etiology. Scheduling changes have been implemented to address the inconsistencies across clinical sites.

Adult↗

PubMed2002

How well do second-year students learn physical diagnosis? Observational study of an Objective Structured Clinical Examination (OSCE).

BACKGROUND: Little is known about using the Objective Structured Clinical Examination (OSCE) in physical diagnosis courses. The purpose of this study was to describe student performance on an OSCE in a physical diagnosis course. METHODS: Cross-sectional study at Harvard Medical School, 1997-1999, for 489 second-year students. RESULTS: Average total OSCE score was 57% (range 39-75%). Among clinical skills, students scored highest on patient interaction (72%), followed by examination technique (65%), abnormality identification (62%), history-taking (60%), patient presentation (60%), physical examination knowledge (47%), and differential diagnosis (40%) (p <.0001). Among 16 OSCE stations, scores ranged from 70% for arthritis to 29% for calf pain (p <.0001). Teaching sites accounted for larger adjusted differences in station scores, up to 28%, than in skill scores (9%) (p <.0001). CONCLUSIONS: Students scored higher on interpersonal and technical skills than on interpretive or integrative skills. Station scores identified specific content that needs improved teaching.

Achievement↗

PubMed2002

Tutor versus computer: a prospective comparison of interactive tutorial and computer-assisted instruction in radiology education.

RATIONALE AND OBJECTIVES: This study compared the educational effectiveness of an interactive tutorial with that of interactive computer-assisted instruction (CAI) and determined the effects of personal preference, learning style, and level of training. MATERIALS AND METHODS: Fifty-four medical students and four radiology residents were prospectively, randomly assigned to receive instruction from different sections of an interactive tutorial and an interactive CAI module. Participants took tests of factual knowledge at the beginning and end of the instruction and a test of visual diagnosis at the end. They completed questionnaires to evaluate their preferred learning styles objectively and to elicit their subjective attitudes toward the two formats. Mean test scores of the tutorial and CAI groups were compared by means of analysis of covariance and two-tailed repeated-measures F test. RESULTS: Both the tutorial and CAI groups demonstrated significant improvement in posttest scores (P < .01 and P < .01, respectively) with the tutorial group's mean posttest score marginally but significantly higher (32.84 vs 28.13, P < .001). There were no significant interaction effects with participants' year of training (P = .845), objectively evaluated preferred learning style (P = .312), subjectively elicited attitude toward learning with CAI (P = .703), or visual diagnosis score (tutorial, 7.61; CD-ROM, 7.75; P = .79). CONCLUSION: Interactive tutorial and optimal CAI are both effective instructional formats. The tutorial was marginally but significantly more effective at teaching factual knowledge, an effect unrelated to students' year of training, learning style, or stated enjoyment of CAI. The superiority of the tutorial is expected to increase when it is compared with commercially expedient CAI modules.

Analysis of Variance↗

PubMed2002

The relationship between second-year medical students' OSCE scores and USMLE Step 1 scores.

The relationship between objective structured clinical examinations (OSCEs) and standardized tests is not well known. We linked second-year medical students' physical diagnosis OSCE scores from 1998, 1999 and 2000 (n = 355) with demographic information, Medical College Admission Test (MCAT) scores, and United States Medical Licensing Examination (USMLE) Step 1 scores. The correlation coefficient for the total OSCE score with USMLE Step 1 score was 0.41 (p < 0.001). Two of 7 skills areas-diagnosis and identification of abnormality-were significant multivariate correlates of USMLE Step 1 score. OSCE station scores accounted for approximately 22% of the variability in USMLE Step 1 scores. A second-year OSCE in physical diagnosis is correlated with scores on the USMLE Step 1 exam, with skills that foreshadow the clinical clerkships most predictive of USMLE scores. This correlation suggests predictive validity of this OSCE and supports the use of OSCEs early in medical school.

Adult↗