Random Assignment to Conditions Is Used in True Experiments to Control

question 36

Multiple Choice

Random assignment to conditions is used in true experiments to control which of the following threats to internal validity?

• A)testing
• B)selection
• C)history
• D)subject attrition

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Definitions:

Conditioned Stimulus

A stimulus that, after being repeatedly associated with an unconditioned stimulus, begins to evoke a similar response as the unconditioned stimulus on its own.

Unconditioned Response

A reflexive, automatic reaction to an unconditioned stimulus, not learned through prior experience.

Unconditioned Stimulus

In classical conditioning, it is any stimulus that can naturally and automatically trigger a response without prior learning.

Conditioned Response

A learned reaction to a conditioned stimulus that occurs because of previous conditioning, often discussed in the context of classical conditioning.