If Exposure to an Earlier Assessment Affects Behavior When a Participant

question 66

Multiple Choice

If exposure to an earlier assessment affects behavior when a participant is assessed a second time, which of the following types of effects might the researcher suspect is the cause?

• A)History
• B)Instrument decay
• C)Testing
• D)Maturation

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Definitions:

Standard Deviation

A measure of the dispersion or variability within a set of numerical data, indicating how spread out the values are from the mean.

Variance

A statistical measure of the dispersion representing how much the data points in a data set diverge from the mean value.

Mean

The arithmetic average of a set of numbers, calculated by adding them all together and dividing by the number of numbers.

Variance

A statistical measure of the dispersion of data points in a dataset, quantifying how far each data point lies from the mean.