反馈对血压辨别能力的影响。
The effects of feedback on blood pressure discrimination.
作者信息
Cinciripini P M, Epstein L H, Martin J E
出版信息
J Appl Behav Anal. 1979 Fall;12(3):345-53. doi: 10.1901/jaba.1979.12-345.
Discrimination of blood pressure in the natural environment as a function of feedback was assessed. Seventeen normotensives screened for blood pressure lability were randomly assigned to two groups. These subjects were then asked to estimate their systolic and diastolic blood pressure values two times per day over a 4-week period. Feedback for accuracy of blood pressure discriminations was implemented across the two groups in a multiple baseline fashion, using a feedback withdrawal condition in Group I to assess maintenance effects over time. Results showed improvement in discrimination accuracy for subjects in both groups when feedback was used, and no decrement in performance over a 2-week period after feedback was removed for subjects in Group I. Discrimination of systolic pressures improved at a slightly faster rate than discrimination of diastolic pressures.
评估了在自然环境中作为反馈函数的血压辨别能力。对17名因血压不稳定而筛选出的血压正常者随机分为两组。然后要求这些受试者在4周时间内每天两次估计他们的收缩压和舒张压值。以多基线方式在两组中实施血压辨别准确性的反馈，使用第一组的反馈撤销条件来评估随时间的维持效果。结果显示，两组受试者在使用反馈时辨别准确性均有提高，且第一组受试者在反馈撤除后的2周内表现没有下降。收缩压的辨别比舒张压的辨别改善速度稍快。
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