SUPPLEMENTARY FEEDBACK: AN EXPLANATION AND EXPERIMENTAL TEST.
Technical rept. no. 9,
GEORGE WASHINGTON UNIV ALEXANDRIA VA HUMAN RESOURCES RESEARCH OFFICE
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An experiment using the pursuit rotor apparatus tested two hypotheses a supplementary feedback aids learning when it provides information by which to distinguish long target contacts from short ones b supplementary feedback, especially if immediate, facilitates performance by providing secondary reinforcement. Five groups, of 20 subjects each, were given 60 trials, with the criterion interval adjusted for every trial to reinforce a particular proportion of target contacts for each group. Author