i have 12 items with 26 questions in my questionnaire (6 likert scale, 3 nominal and 3 ordinal items). Should i measure Cronbach Alpha for the entire scale ? Or choose some between them to check the reliability of my questionnaire? Thank you for the presentation
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i have 12 items with 26 questions in my questionnaire (6 likert scale, 3 nominal and 3 ordinal items). Should i measure Cronbach Alpha for the entire scale
? Or choose some between them to check the reliability of my questionnaire? Thank you for the presentation
You didn't explain WHY they were reliable