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

CATICAWICAPI
Population CoverageStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparison
Cost per interviewHIGHLOWMEDIUM-HIGH
Initial investmentHIGHLOWMEDIUM-HIGH
Reliability of collected dataStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparison
Answers accuracyStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparison
RedemptionStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparison
Fast survey completionStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparison
Rate of dropoutMEDIUM-HIGHHIGHLOW
Good for long questionnaireStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparison
Good for complex questionnaireStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparisonStar comparison