Objective: The purpose of study was to determine the influence of attention on stereotype-based sourcemonitoring decision processes. Methods: A three factor mixed-subjects design was employed. Forty normal college students were enrolled to this study. In the task, we used three types of statements including stereotype-consistency, stereotype-inconsistent, neutral. Source error and multinomial processing tree models was combined to explore source-monitoring decision processes. Results: When the class stereotypes were primed during retrieval, ...