Question: According to your textbook, researchers are testing alternate-forms reliability when ______. a. responses to the same questions by two randomly selected halves of a sample

According to your textbook, researchers are testing alternate-forms reliability when ______. a. responses to the same questions by two randomly selected halves of a sample are about the same b. they compare subjects' answers to slightly different versions of survey questions c. measurement showing that measures of a phenomenon at two points in time are highly correlated d. they calculate reliability based on the correlation among multiple items used to measure a single concept

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