In a Study in Which a Data Point Is Gathered

question 13

Multiple Choice

In a study in which a data point is gathered more than once and the same instrument or survey is used each time, results of the study may be questioned due to which threat of internal validity?

• A)history
• B)instrumentation
• C)testing
• D)selection
• E)none of the above

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Definitions:

Independent Variable (IV)

A variable in an experiment that is manipulated by the researcher to observe its effect on the dependent variable.

Levels

Refers to the different values or states that an independent variable can take on in an experiment or study.

Main Effects

are the direct impacts of each independent variable on the dependent variable in an experimental study, disregarding interactions between variables.

Judgments of Responsibility

Evaluations or decisions made regarding the extent to which individuals or groups are accountable for actions or outcomes.