In the First Phase of an Experiment, One Group of Rats

question 62

Multiple Choice

In the first phase of an experiment, one group of rats is reinforced for every lever press.Another group of rats is reinforced for every 15th lever press.In the second phase, both groups receive continuous reinforcement.In later extinction trials, subjects that received continuous reinforcement in phase 1 decreased responding more quickly than those that were reinforced every 15th trial.These findings support

• A)the discrimination hypothesis.
• B)the extinction burst hypothesis.
• C)the modern two-process theory.
• D)the frustration theory.

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Definitions:

Face Validity

The extent to which a test or measure appears to be valid on the surface, based on subjective judgment.

Concurrent Validity

The degree to which the results of a particular test correlate with those of a previously established test or measure, assessed at the same time.

Discriminant Validity

The extent to which a measure does not correlate with other variables from which it is theoretically supposed to differ.

Interval Scale

A scale of measurement in which the intervals between numbers on the scale are all equal in size.