Sample size for questionnaire validation studies
Wan Nor Arifin, 2013 Sample size for questionnaire validation studies – 1. 5 or less constructs + > 3 items per construct + item communality > 0.6 100 7 or less constructs + item communality > 0.5 + no under-identified constructs 150 7 or less constructs + items communality < 0.45
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