This refers to the consistency of scores or answers from one administration of an instrument to another, and from one set of items to another.

RESEARCH METHODOLOGY

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

A	Validity
B	Completeness
C	Conciseness
D	Reliability

Explanation:

Detailed explanation-1: -Reliability refers to the consistency of a measure. Psychologists consider three types of consistency: over time (test-retest reliability), across items (internal consistency), and across different researchers (inter-rater reliability).

Detailed explanation-2: -Reliability is the degree to which an assessment tool produces stable and consistent results. Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.

Detailed explanation-3: -Reliability: One of the most important criteria for the quality of measurement is the reliability of the measuring instrument. Reliability means consistency with which an instrument yields similar results.

Detailed explanation-4: -Reliability means that the results obtained are consistent. Validity is the degree to which the researcher actually measures what he or she is trying to measure. Reliability and validity are often compared to a marksman’s target.

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RESEARCH METHODOLOGY