Inclusion of a Control Group Spreads the Attrition (On Average)

question 28

True/False

Inclusion of a control group spreads the attrition (on average) across the groups and allows the researcher to make group comparisons to test the effect of the independent variable.

---

Definitions:

Wide Distribution

The extensive spreading of something, such as a product, phenomenon, or piece of information, across a large area or amongst a large number of people.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related outcome.

Reliability

The degree to which an assessment tool produces stable and consistent results over repeated measures or uses.

Biased Exam

An examination that unfairly advantages or disadvantages a group of individuals based on irrelevant factors such as race, gender, or socioeconomic status.