To look at variability in a group, a researcher with interval level data would use

a. quartile deviation .
b. range.
c. standard deviation.
d. standard score.


ANS: C

Education

You might also like to view...

Split-half, KR21, and the alpha coefficient are all measures of:

A) test-retest reliability B) construct validity C) rater reliability D) internal consistency reliability

Education

When students learn in physics that work means the amount of force used to move an object a certain distance, they are

a. using a known word for a known concept. b. applying a new word to a known concept. c. learning a new concept associated with a known word. d. learning a new word for a new concept.

Education

A procedure that gradually reduces the frequency of a target behavior by withholding reinforcement for a previously reinforced behavior is referred to as?

a. Extinction b. Timeout c. Response cost d. Overcorrection

Education

Test anxiety is a

A. temporary condition characterized by a sense of calmness when taking a test. B. permanent condition characterized by fears and concerns about taking a test. C. permanent condition characterized by a sense of calmness when taking a test. D. temporary condition characterized by fears and concerns about taking a test.

Education