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Running-Speed Goal Gradient With Massed Training

Gerjuoy, Herbert; Schroeder, Stephen R.
Publication Year:
Report Number:
ETS Research Bulletin
Document Type:
Page Count:
Subject/Key Words:
Laboratory Experiments, Rats, Training


Massed shuttle training in a 4-ft. runway was given to 16 rats. The gradients of the logarithms of the time they spent per trial in the start box and in successive 1-ft. segments of the runway were compared for successive blocks of 10 trials up to 70 trials for all Ss and up to 120 trials for four randomly selected Ss. Running was most rapid in the middle of the runway and speed increased with practice. Near the start box, however, the effect of practice on speed was not as great as elsewhere in the runway; moreover, the Ss' times in the start box were more variable from block to block than they were elsewhere.

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