When the Change from Pretest to Posttest Is Due Not

question 22

Short Answer

When the change from pretest to posttest is due not to your program but rather to a change in the way you measured the outcome,there is a(n)_______________ threat to internal validity.

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Definitions:

Negative Reinforcement

A behavior modification method that involves the removal of an unpleasant stimulus to increase the likelihood of a desired behavior.

Cumulative Record

A continuous record that shows the total number of times a response occurs in a given time period.

Steep Slope

A surface of which one end or side is at a much higher level than another, making an angle with the horizontal surface that is more pronounced.

Reinforcement Contingencies

Conditions in which the delivery of rewards or punishments are contingent upon a specific behavior, used to increase or decrease the likelihood of that behavior's occurrence.