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Running head: VALIDITY AND RELIABILITY
Validity and Reliability
VALIDITY AND RELIABILITY
Ascertaining Quality of Research Material based on Validity and Reliability
Validity and reliability serve as the key indicators of the quality of research materials.
They also depict the efficiency of the research process in meeting its goals and objectives.
Ordinarily, reliability offers an estimate of the consistency and stability of measurement
instruments used in research. Thus, the reliability of data and information obtained from research
is manifested through inter-rater reliability, internal consistency reliability, and test-retest
reliability (Shank, Pringle & Brown, 2018). Time-retest reliabili...
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