Key result
In 18 participants, the mean recovery rate (MRR) was demonstrated theoretically and experimentally to be a valid measure of recovery uncontaminated by the carryover effect.
The mean recovery rate (MRR) provides a valid measure of stress recovery that avoids contamination by the carryover effect.
MRR may enable cleaner stress recovery measurement in research; leaves open clinical adoption pending larger validation studies.
Assessment of recovery is important for the investigation of stress but has been compounded by difficulties, in particular contamination by the carryover effect. In the present study, the mean recovery rate (MRR) was used in order to overcome this difficulty. First, the validity of the MRR was demonstrated theoretically. Second, it was demonstrated experimentally, when a comparison was made with the validity of the mean recovery per se. In the experiment, data on beat‐by‐beat systolic blood pressure, obtained from 18 participants before, during, and after mental arithmetic, were used as a typical sample. The implications of these results for the understanding of recovery measures are discussed.
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Sawada et al. (2009) studied this question. Mean recovery rate (MRR) vs. Mean recovery per se was evaluated on Validity of the mean recovery rate. In 18 participants, the mean recovery rate (MRR) was demonstrated theoretically and experimentally to be a valid measure of recovery uncontaminated by the carryover effect.
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