______ Occurs When Groups Become Different After an Experiment Begins

question 10

Multiple Choice

______ occurs when groups become different after an experiment begins and the number of participants who drop out of each group is uneven.

• A) Differential attrition
• B) Causal variation
• C) Contamination
• D) The Hawthorne effect

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Definitions:

Historical Context

The background, culture, and circumstances that form the setting for events, statements, or ideas, and in terms of which they can be fully understood.

Multidimensional

Having or involving several dimensions or aspects.

Resource Allocations

The process of distributing resources among various projects or departments within an organization.

Multidirectional

Characterizes something capable of moving or extending in multiple directions; can also refer to diverse thought processes or changes.