What Is the Benefit to Assessment on Multiple Occasions

question 12

Multiple Choice

What is the benefit to assessment on multiple occasions?

• A) Reduces threats to internal validity by determining if point of change is simultaneous with treatment.
• B) Reduces threat to external validity by determining if point of change is simultaneous with treatment.
• C) Allows researcher to include multiple variables in the experimental design.
• D) It is easier to graph data and put treatment outcomes into quantifiable form.

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Definitions:

Population Variance

Population variance is a measure of the spread between numbers in a data set, representing the average of the squared differences from the population mean.

Random Sample

A selection taken from a group where each individual has the same probability of being chosen.

Hypothesis

A proposed explanation for a phenomenon, designed to be tested through experimentation or observation.

Mean Diameter

The average length of a set of diameters measured across different points or objects.