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Longitudinal follow-up comparison of educational interventions: multimedia textbook, traditional lecture, and printed textbook.

Abstract：

RATIONALE AND OBJECTIVES:The goal of this prospective, interinstitutional study was to compare the long-term instructional effectiveness of a pediatric multimedia textbook (MMTB) to that of a standard lecture and a printed textbook. MATERIALS AND METHODS:A randomized cohort of 89 3rd-year medical students from two institutions were initially evaluated from June 1992 to June 1993 and reevaluated in May 1994. Students were randomly assigned to one of four instructional groups: computer-aided instruction by means of MMTBs (n = 21), traditional lecture (n = 23), printed textbook (n = 19), and a control group (n = 26). After instruction, all groups were tested by means of a multiple choice test at the end of their pediatric clerkship; they were given this same test 11-22 months later. RESULTS:The long-term instructional effectiveness of the MMTB, printed textbook, and lecture were the same as that in the control group, as determined by analysis of variance of mean test scores. CONCLUSION:The educational advantage of MMTBs observed immediately after instruction was not detected 1 year later. Because attrition reduced statistical power, further research is necessary to determine how educational fading affects these instructional formats.

journal_name

Acad Radiol

journal_title

Academic radiology

authors

D'Alessandro DM,Kreiter CD,Erkonen WE,Winter RJ,Knapp HR

doi

10.1016/s1076-6332(97)80074-8

subject

Has Abstract

pub_date

1997-11-01 00:00:00

pages

719-23

issue

11

eissn

1076-6332

issn

1878-4046

journal_volume

4

pub_type

临床试验,杂志文章,随机对照试验

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