Which of the Following Threats to Internal Validity Is More

question 25

Multiple Choice

Which of the following threats to internal validity is more likely to occur with a longitudinal design?

• A) Instrumentation effects
• B) Mortality effects
• C) History effects
• D) Selection bias

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Definitions:

Maintenance

The activities undertaken to keep an asset in working condition or restore it to proper condition.

Number Of Calls

Represents the total amount of telephone calls made or received by a person or organization within a specific period.

Number Of Operators

The total count of individuals or machines operating within a given process or system at a specific time.

Number Of Complaints

A quantitative indicator of customer dissatisfaction, measuring how many complaints a business or organization has received.