When studying the factors which influence stress reactivity in within-subject designs, test-
retest reproducibility data is needed to estimate power and sample size. We report such data
regarding a new experimental stress protocol, based on simultaneous application of the
socially evaluated, bilateral feet Cold Pressor Test (CPT) and the Paced Auditory Serial
Addition Task (PASAT). Cardiovascular, neuroendocrine, and subjective (affective) stress
responses of 32 healthy males were measured twice, at an interval of one week. The novel …