Which of the Following Is FALSE

question 30

Multiple Choice

Which of the following is FALSE?

• A)The range is a simplistic measure of variation that does not use all scores in the distribution in its calculation.
• B)The average deviation is a more sophisticated measure of variation than the range in which all scores are used,but which may not weight extreme scores adequately.
• C)The standard deviation is the least sophisticated measure of variation and the least frequently used.
• D)all of the options are true

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Definitions:

Placebo

A substance with no therapeutic effect, used as a control in testing new drugs or used to elicit a psychological benefit.

Eating Disorder

Mental disorders characterized by abnormal or disturbed eating habits, such as anorexia nervosa or bulimia nervosa.

Predictive Validity

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

Independent Variable

In an experimental setup, the variable that is manipulated or changed to observe its effect on a dependent variable.