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The enhanced cognitive interview: Testing appropriateness perception, memory capacity and error estimate relation with report qualityPaulo, Rui M.; Albuquerque, Pedro B.; Saraiva, Magda; Bull, Ray; University of Derby; School of Psychology; University of Minho; Campus de Gualtar Braga Portugal; School of Psychology; University of Minho; Campus de Gualtar Braga Portugal; School of Psychology; University of Minho; Campus de Gualtar Braga Portugal; Department of Psychology; University of Portsmouth; Portsmouth United Kingdom (Wiley, 2015-04-23)The Enhanced Cognitive Interview (ECI) has been widely studied. However, research has overlooked witnesses’ attitudes toward the interview and how error estimate and memory capacity relate to report quality. Participants watched a mock robbery video and were interviewed 48 hours later with either the Portuguese version of the ECI or a Structured Interview (SI). Participants interviewed with the ECI provided more information without compromising accuracy, particularly in free recall. Report accuracy was stable across interview phases and information categories. A higher perception of interview appropriateness (how witnesses evaluate the appropriateness of the interview procedure used) was linked with more detailed reports and more interest in being an interviewee. Participants over-estimated their error rate, and their memory capacity was not related to witnesses’ recall. It is essential to take into account their perception of interview appropriateness and use alternative methods to evaluate report quality. Major implications for real-life investigations are discussed.