CATI vs CAWI vs CAPI data collection

CATI CAWI CAPI methodology comparison.
Computer assisted telephone interview vs. computer assisted web interview vs. computer assisted personal interview

CATI CAWI CAPI
Population Coverage Star comparisonStar comparison Star comparisonStar comparisonStar comparisonStar comparison
Cost per interview HIGH LOW MEDIUM-HIGH
Initial investment HIGH LOW MEDIUM-HIGH
Reliability of collected data Star comparisonStar comparisonStar comparison Star comparisonStar comparison Star comparisonStar comparisonStar comparisonStar comparisonStar comparison
Answers accuracy Star comparisonStar comparisonStar comparisonStar comparison Star comparisonStar comparison Star comparisonStar comparisonStar comparisonStar comparisonStar comparison
Redemption Star comparisonStar comparisonStar comparison Star comparisonStar comparison Star comparisonStar comparisonStar comparisonStar comparison
Fast survey completion Star comparisonStar comparison Star comparisonStar comparisonStar comparisonStar comparisonStar comparison Star comparisonStar comparisonStar comparison
Rate of dropout MEDIUM-HIGH HIGH LOW
Good for long questionnaire Star comparisonStar comparisonStar comparisonStar comparison Star comparisonStar comparison Star comparisonStar comparisonStar comparisonStar comparisonStar comparison
Good for complex questionnaire Star comparisonStar comparisonStar comparison Star comparison Star comparisonStar comparisonStar comparisonStar comparisonStar comparison