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目的:探讨就医偏好是否随医生照片一次或者多次呈现发生变化。方法:在实验1、2中分别对医生照片进行阈下和阈上呈现,操纵呈现次数(不呈现、呈现一次、呈现多次)和职称特征(主任医生vs.主治医生),以偏好水平为因变量,进行3×2被试内实验研究。结果:1阈下呈现和阈上呈现过照片信息的医生偏好均显著高于未呈现照片信息的医生;2呈现多次与呈现一次之间诱发的偏好差异不显著;3照片呈现一次和呈现四次的职称再认成绩差异显著。结论:阈上呈现和阈下呈现均能引发纯粹接触效应;但一定程度内呈现次数增加未能显著提高就医偏好。
Objectives: To explore whether medical preferences change with one or more doctor’s photographs. Methods: In the experiments 1 and 2, the doctors’ photographs were subliminarily and suprathresholdly presented, and the number of times of presenting (not showing, showing once, showing multiple times) and professional titles (chief physician vs. attending physician) Due to variables, 3 × 2 subjects were experimentally studied. Results: The preference of doctors who presented the subliminal and supra-photographic information was significantly higher than that of the physicians who did not show the photographic information.2 The difference of preference induced between presenting multiple times and presenting time was not significant. Secondary titles recognized the difference was significant. CONCLUSIONS: Both supra-threshold and subthreshold presentation can cause purely contact effects; however, the increased number of presentations to a certain extent did not significantly improve medical preference.