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CHAPTER 20: Validity and Reliability - Coggle Diagram
CHAPTER 20: Validity and Reliability
Introduction
Validity
the degree to which an instrument measures what it intends to measure
the degree to which the 'thing' that instrument measures has meaning
Reliability
how consistent a test measures what it attempts to measure
Validity
How to take care about validity issue in research
self-report measure
Internal Validity
Criterion related validity
Construct validity
Content validity
face validity
Reliability
Difficulties of achieving reliability
Quixotic reliability
Diachronic Reliability
Synchronic Reliability
Forms of Reliability Researcher need to Address
Inter-Rater or Inter-Observer Reliability
Test-Retest Reliability
Parallel-Forms of Alternate- Forms Reliability
Test for Homogeneity or Internal Consistency