A Simple Random Sample Is Defined As

question 30

Multiple Choice

A simple random sample is defined as:

• A) a sample with only one variable.
• B) a sample in which other demographic variables are taken into account.
• C) a sample in which one variable is weighted more than another.
• D) a sample in which every member of the population has a chance of being included.
• E) a sample that uses probability to determine who will be selected.

Describe the purpose and timing of wait list control groups in research.

Understand the concept and significance of therapy outcome studies.

Recognize different types of control groups used in experimental designs.

Analyze factors that affect the internal validity of a study.

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Definitions:

Hierarchy

An arrangement or institution where individuals or entities are positioned in a hierarchical order based on their status or power.

Spatial Differentiation

The division or organization of space or geographical areas based on different functions, uses, or characteristics.

Geographic Dispersion

The spread or distribution of something or someone over a geographic area, indicating how spread out they are across different locations.

Vertical Differentiation

The arrangement of an organization into hierarchical levels, where each level has different levels of authority and responsibility.