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1 October, 11:37

A researcher develops a 20-question test to measure anxiety and administers it to a group of participants. To evaluate the reliability of the test, the researcher computes a score for the first 10 questions and a score for the last 10 questions for each participant and then computes the correlation between the two scores. What is the researcher measuring

a. split-half reliability

b. internal reliability

c. test-retest reliability

d. inter-rater reliability

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Answers (1)
  1. 1 October, 13:45
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    Answer: Option (A) is correct.

    Explanation:

    In accordance with the split-half reliability, a study or test for a particular knowledge domain is divided into 2 parts and therefore both parts are given to a single group of individuals at a particular time. The scores received from these parts of test are somewhat correlated.

    Split-half is known as an evaluation of consistency (internal) i. e. how well do components tend to contribute to variables which are being measured.
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