reversal shift

in discriminations involving two alternatives, a reversal of contingencies. For example, in initial training, a white stimulus might be designated as correct and black as incorrect. A reversal shift would mean that, in a later phase of the training, black becomes correct and white incorrect. Compare nonreversal shift.

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Psychology term of the day

October 5th 2024

partition

1. vb. in statistics and measurement, to divide variance observed in the dependent variable into component elements on the basis of its nature and origin.

2. n. a specific component of the observed variance (e.g., variance due to a treatment effect and variance due to random error).