reliability
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What Is a Good Cronbach’s Alpha for a Dissertation, and How Do You Report It? (South Africa, 2026)
What counts as an acceptable Cronbach’s alpha in a South African dissertation, how to run and report it in SPSS, when to use KR-20, test-retest or omega instead,…
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How Do I Prove My Questionnaire Is Valid? (South Africa, 2026)
A high Cronbach’s alpha does not make an instrument valid — it only says the items agree with each other. Validity is a separate argument built from four…