521 Article Review Fisher et al 1992

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Assessment

Back

A systematic method of collecting data to guide decisions.

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Preference Assessment

Back

A procedure used to identify preferred stimuli that may function as reinforcers.

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Concurrent Operants Paradigm

Back

A test where two or more responses are available, each producing a different reinforcer, to measure relative reinforcer effectiveness.

Front

Predictive Validity

Back

The extent to which an assessment accurately predicts future outcomes (whether preferred stimuli function as reinforcers).

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Approach Behavior

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Observable actions (reaching, touching, consuming) that indicate interest in a stimulus.

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Differentiation

Back

The degree to which an assessment distinguishes between high-preference and low-preference stimuli.

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Forced-Choice (Paired-Stimulus) Assessment

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A preference assessment where two stimuli are presented together, and the learner selects one.

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Single-Stimulus (Approach) Assessment

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A preference assessment where stimuli are presented one at a time, and approach responses are recorded.

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Validity

Back

The extent to which a measurement reflects the concept it is intended to measure.

Front

Reinforcer Effectiveness

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How well a stimulus increases the likelihood of a behavior when delivered contingent on that behavior.