National Surveys Via Rdd Telephone Interviewing Versus the Internet Comparing Sample Representativeness and Response Quality

摘要: In a national field experiment, the same questionnaires were administered simultaneously by RDD telephone interviewing, In- ternet with probability sample, and Internet nonprobability sample of people who volunteered to do surveys for money. The probabil- ity samples more representative nation than in terms demographics electoral participation, even after weighting. was biased toward being highly engaged knowledgeable about survey's topic (politics). data manifested random measurement error, survey satisficing, social desirability response bias did Inter- net data, error satisficing volunteer sample. Practice at completing increased reporting accuracy among deciding only on topics personal interest enhanced sam- ple. Thus, method yielded most accurate self-reports from while optimal combination composition ac- curacy self-report accuracy. These results suggest that collection yields