In a Psychological Experiment,the Experimental Factor That Is Manipulated by the Investigator

question 66

Multiple Choice

In a psychological experiment,the experimental factor that is manipulated by the investigator is called the ________ variable.

• A) dependent
• B) independent
• C) control
• D) experimental

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Definitions:

Class Mean

The average of a set of data points or values in a specific category or classification.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values. It quantifies how spread out the numbers are.

Empirical Rule

A statistical rule stating that for a normal distribution, nearly all data will fall within three standard deviations of the mean.

Bell-Shaped

Describes the graphical form of a distribution that is symmetric around its mean, visually represented as a bell-shaped curve, typically associated with the normal distribution.