Köhler T, Vögele C, Weber D
Z Exp Angew Psychol. 1989;36(1):89-100.
Two laboratory studies were carried out to assess the behavior of the active palmar sweat glands in both an active and a passive coping situation. Stressor in study I was watching a distressing film, in study II mental arithmetic. Subjects were male students, 17 in experiment I, 20 in experiment II. Both experiments involved a 10-minute baseline phase, a 10-minute stress period, and a follow-up of 10 minutes. PSI was assessed at 90-sec intervals and averaged across phases, as were readings in SCL, SCR, heart rate, diastolic and systolic blood pressure. PSI could be determined in 16 subjects of each study. In both experiments PSI increased significantly from baseline to stress (p less than 0.1%) and decreased from stress to follow-up (p less than 0.1%), and thus proved to be the most sensitive indicator for stress. The interrater reliability for counting the number of active sweat glands was high when the area for evaluation was defined unambiguously. Since the assessment of the PSI does not require a sophisticated technology and is thus also applicable in field research, we suggest giving more consideration to this variable.
开展了两项实验室研究，以评估主动和被动应对情境下手掌活跃汗腺的行为。研究I中的应激源是观看一部令人痛苦的影片，研究II中的应激源是心算。受试者均为男学生，实验I中有17名，实验II中有20名。两项实验均包括一个10分钟的基线期、一个10分钟的应激期和一个10分钟的随访期。每隔90秒评估一次手掌出汗指数（PSI），并计算各阶段的平均值，同时也计算皮肤电导率（SCL）、皮肤电反应（SCR）、心率、舒张压和收缩压的读数平均值。每项研究的16名受试者均可测定PSI。在两项实验中，PSI从基线期到应激期均显著增加（p<0.1%），从应激期到随访期则下降（p<0.1%），因此被证明是最敏感的应激指标。当明确界定评估区域时，计数活跃汗腺数量的评分者间信度较高。由于PSI评估不需要复杂的技术，因此也适用于现场研究，我们建议更多地考虑这一变量。
