A Sample Is Representative If ​

question 154

Multiple Choice

A sample is representative if ​

• A)only volunteer subjects are used.
• B)it is as different from the population as possible. ​
• C)all subjects are chosen from a single, unusual segment of the population. ​
• D)its composition is similar to the composition of the population. ​

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Definitions:

Reactive Nervous System

A part of the nervous system that responds to stimuli from the environment, often associated with automatic or reflexive actions.

Token Economy

A behavioral modification technique where desirable behaviors are rewarded with tokens that can be exchanged for various privileges or treats.

Behavior Modification

A therapeutic approach that seeks to change undesirable behaviors through the systematic application of the principles of learning.

Cognitive Therapy

Therapy that teaches people new, more adaptive ways of thinking and acting; based on the assumption that thoughts intervene between events and our emotional reactions.