期刊
SOCIAL PSYCHOLOGICAL AND PERSONALITY SCIENCE
卷 11, 期 4, 页码 464-473出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1948550619875149
关键词
Amazon Mechanical Turk; TurkGate; data quality; replication; online samples
Amazon's Mechanical Turk (MTurk) is arguably one of the most important research tools of the past decade. The ability to rapidly collect large amounts of high-quality human subjects data has advanced multiple fields, including personality and social psychology. Beginning in summer 2018, concerns arose regarding MTurk data quality leading to questions about the utility of MTurk for psychological research. We present empirical evidence of a substantial decrease in data quality using a four-wave naturalistic experimental design: pre-, during, and post-summer 2018. During and to some extent post-summer 2018, we find significant increases in participants failing response validity indicators, decreases in reliability and validity of a widely used personality measure, and failures to replicate well-established findings. However, these detrimental effects can be mitigated by using response validity indicators and screening the data. We discuss implications and offer suggestions to ensure data quality.
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