Pictures and text in instructions for medical devices: Effects on recall and actual performance

被引：55

作者：

Kools, Marieke ^{[1
]}

van de Wiel, Margaretha W. J. ^{[1
]}

Ruiter, Robert A. C. ^{[1
]}

Kok, Gerjo ^{[1
]}

机构：

[1] Univ Maastricht, Dept Expt Psychol, NL-6200 MD Maastricht, Netherlands

来源：

PATIENT EDUCATION AND COUNSELING | 2006年 / 64卷 / 1-3期

关键词：

illustrations; comprehension; performance; medical devices;

D O I：

10.1016/j.pec.2005.12.003

中图分类号：

R1 [预防医学、卫生学];

学科分类号：

1004 ; 120402 ;

摘要：

Objective: The present study aimed to contribute to the design of effective health education information. Based on cognitive-psychological theory, pictures were expected to improve understanding of two existing textual instructions for using asthma devices (inhaler chamber and peak flow meter). From an analysis of the affordances and constraints of both devices this effect was expected to be stronger with the inhaler chamber than with the peak flow meter. Methods: To test this, both instructions were systematically illustrated with seven line-drawings visualizing the actions. In two separate randomized controlled trials with in total 99 participants from the general public, the original text-only versions were compared to the text-picture versions of the same instruction. Dependent variables were participants' recall of the instructions and the quality of their performance with the instruction observed from video-recordings. Results: Conform expectations, the results showed significant positive effects of pictures on recall and performance in both instructions, especially with the inhaler chamber. Conclusion: Thus, pictures may contribute to a better comprehension and use of medical devices that are inherently less clear. Practice implications: Health educators may optimize instruction design by careful analysis of the device with instruction and observational testing with potential users. (c) 2005 Elsevier Ireland Ltd. All rights reserved.

引用

页码：104 / 111

页数：8

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