A Researcher Has Constructed an Attitude Scale in Which Each

question 84

Multiple Choice

A researcher has constructed an attitude scale in which each item is scored from 1 to 5 depending on the extent of agreement or disagreement.The estimate of score reliability that would be recommended for this scale is

• A) Kuder-Richardson formula 20.
• B) Kuder-Richardson formula 21.
• C) Cronbach's coefficient alpha.
• D) biserial correlation coefficient.
• E) phi coefficient.

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Definitions:

Kinetics

Refers to the branch of science that deals with the effects of forces on the motion of objects.

Kinesis

A movement or activity of a cell or an organism in response to a stimulus, but not directionally oriented toward or away from the source of the stimulus.

Emotionally Aroused

A state of heightened physiological and psychological activity and responsiveness to stimuli, often associated with intense feelings or emotions.

Persuade

The action of convincing someone to do or believe something through reasoning or argument.