The Standard Deviation

question 62

Multiple Choice

The standard deviation

• A) indicates the average difference between each score in a group and the mean for that group of scores.
• B) reveals the degree of skew for a group of scores.
• C) is sensitive to scores at the extremes of a distribution of scores.
• D) is used to determine whether a data set is positively or negatively skewed.

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Definitions:

Classical Conditioning

A pairing method in education where two stimuli are constantly linked; the response, originally triggered by the second stimulus, is over time triggered by just the first stimulus.

Conditioned Stimulus

A previously neutral stimulus that, after becoming associated with an unconditioned stimulus, triggers a conditioned response.

Drug Injection

The act of administering a drug into a person's body using a syringe and needle, typically intravenously, intramuscularly, or subcutaneously.

Conditioned Response

A learned response to a previously neutral stimulus that has been repeatedly associated with an unconditioned stimulus.