The effects of feedback signal information content of the long-term self-control of heart rate
Blanchard, E.B.; Scott, R.W.; Young, L.D.; Haynes, M.R.
Journal of General Psychology 91(2d Half): 175-187
1974
ISSN/ISBN: 0022-1309 PMID: 4430901 Document Number: 5863
Groups of Ss were trained both to raise and to lower heart rate (HR) with the use of either (a) binary visual feedback (n=12), (b) proportional visual feedback (n=12), or (c) no feedback (n=6). After four sessions of this training regimen, pairs of Ss from the first two groups were matched on performance and then split, half (n=6) continuing with the original form of feedback and the other half (n=6) receiving the form they had not had before. All Ss then received four additional training sessions. Both between-group and within-group comparisons generally supported the proposition that proportional feedback is more efficacious than binary feedback for raising HR. For lowering HR, the two forms of feedback are equally efficacious.
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