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The Relative Costs and Benefits of Telephone Interviews Versus Self-Administered Diaries for Daily Data CollectionUniversity of Washington
University of Washington
University of Washington
University of Washington
University of Washington
University of Washington This article compares two methods of collecting daily data: self-administered diaries and telephone interviews. Study participants included 44 men and 56 women between the ages of 16 and 35 who participated in a larger study of drinking, drug use, and sexual activity. Participants were randomly assigned to either the written diary or the telephone interview conditions; question wording and format were identical in both conditions. Daily data were collected for a period of 8 weeks. Results indicate that although telephone interviews resulted in slightly more missed days of data collection, they generally yielded less item-level missing data, produced cleaner data and therefore were less costly to process, and were as palatable to participants as self-administered diaries. Except for reports of drinking and vegetable consumption, telephone and diary conditions did not differ in the amount of behavior reported; more drinking and vegetable consumption were reported with telephone interviews, however. Telephone interviews also imposed considerably higher overall personnel costs.
Evaluation Review, Vol. 24, No. 1,
102-116 (2000) This article has been cited by other articles:
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