Table 1 Criteria for measuring content validity [12] for each item on the questionnaire
SCORES/CHARACTERISTICS | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
Relevance | Not relevant | Item needs some revision | Relevant but needs minor revision | Very relevant |
Clarity | Not clear | Item needs some revision | Clear but needs minor revision | Very clear |
Simplicity | Not simple | Item needs some revision | Simple but needs minor revision | Very simple |
Ambiguity | Doubtful | Item needs some revision | No doubt but needs minor revision | Meaning is clear |