According to the research report, the nurse researcher tested a study instrument's validity using the technique of factor analysis. What other test could the researcher have used to test the same type of validity?
1. Test-retest
2. Known-groups procedure
3. Scale homogeneity
4. Interrater
2
Rationale 1: This is a test of stability.
Rationale 2: Factor analysis and know-groups procedure both test construct validity.
Rationale 3: This is a measure of internal consistency reliability.
Rationale 4: This tests the equivalence reliability of the instrument.
Global Rationale:
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