Changeover behavior under pairs of fixed-ratio and variable-ratio schedules of reinforcement.

@article{Shull1971ChangeoverBU,
  title={Changeover behavior under pairs of fixed-ratio and variable-ratio schedules of reinforcement.},
  author={Richard L. Shull and Stanley S. Pliskoff},
  journal={Journal of the experimental analysis of behavior},
  year={1971},
  volume={16 1},
  pages={
          75-9
        }
}
Three pigeons were studied under a pair of equal fixed-ratio schedules and a pair of equal variable-ratio schedules. Each pair was arranged as independent, concurrent schedules and also in a non-independent relation where each peck in a schedule counted toward the response requirement of both schedules. The non-independent pair of variable-ratio schedules maintained much higher changeover rates than any of the other three arrangements. Thus, two factors seemed necessary for generating high… CONTINUE READING
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