Voluntary rest pause behavior in a block-turning task as a function of wrist-cuff weight.

Abstract
Eighty Ss, 20 at each of 4 conditions of wrist-cuff weight, performed a block-turning task under instructions to take rests whenever desired. For each S, the number of responses made and the rate of responding exhibited in reaching a voluntary rest were determined. Analysis of the obtained data indicated that: (a) the number of responses made differentiated between the most effortful and all other effortful conditions; (b) the rate of responding did not consistently differentiate between effortful conditions. These results were considered to be consistent with theoretical expectation. Their implications for expts. which study the effect of effortfulness on performance were considered.
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