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Previous research indicated that drawing is a strategic tool in investigations. However, little research has been conducted to determine how to introduce a sketch instruction into an investigative interview. The current experiment compared sketching and speaking separately (sketch‐speak and speak‐sketch conditions) with sketching and speaking synchronously to determine which recall method gathered the most information and elicited the most cues to deceit. Participants (N = 180) watched a video, half were asked to tell the truth (to a friendly agent), whereas the other half were asked to lie (to a corrupt agent) about the video in an interview. Participants were asked either to (i) sketch then speak, (ii) speak then sketch, or (iii) speak and sketch synchronously. Verbal statements and sketches were coded for total details, number of people, number of self‐handicapping strategies and plausibility. The camera perspective of sketches was also examined. Truth tellers' sketches and verbal statements were rated as more plausible than those of lie tellers. This difference was found in all three recall methods with the largest effect emerging in the speaking and sketching synchronously condition. Truth tellers included more details than lie tellers in their verbal statements but not in their sketches. Conversely, truth tellers included more people than lie tellers in their sketches but not in their verbal responses. No veracity differences emerged in sketches nor verbal statements for self‐handicapping strategies. However, participants in the speaking and sketching synchronously recall method included more sketch self‐handicapping strategies than those in the other recall conditions. Additionally, participants in the speak and sketch synchronously method reported more verbal details than those who spoke and then sketched. Effects were not large enough between speaking in isolation of sketching and also sketching and speaking synchronously to determine which recall method is best to detect deceit. However, sketching and speaking synchronously emerged as the most beneficial method for information‐gathering. [ABSTRACT FROM AUTHOR]

Summary: A growing body of research illustrates consensus between researchers and practitioners that developing rapport facilitates cooperation and disclosure in a range of professional information gathering contexts. In such contexts, rapport behaviors are often intentionally used in an attempt to facilitate a positive interaction with another adult, which may or may not result in genuine mutual rapport. To examine how rapport has been manipulated and measured in professional contexts we systematically mapped the relevant evidence‐base in this field. For each of the 35 studies that met our inclusion criteria, behaviors associated with building rapport were coded in relation to whether they were verbal, non‐verbal, or para‐verbal. Methods to measure rapport were also coded and recorded, as were different types of disclosure. A Searchable Systematic Map was produced to catalogue key study characteristics. Discussion focuses on the underlying intention of the rapport behaviors that featured most frequently across studies. [ABSTRACT FROM AUTHOR]

Summary: In none of the deception studies that used drawings to date, was the effect of sketching on both speech content and drawing content examined, making it unclear what the full potential is of the use of drawings as a lie detection tool. A total of 122 truth tellers and liars took part in the study who did or did not sketch while narrating their allegedly experienced event. We formulated hypotheses about the total amount of information and number of complications reported and about various features of the drawings. Participants in the Sketch‐present condition provided more information than participants in the Sketch‐absent condition, and truth tellers reported more details than liars, but only in the Sketch‐present condition. In contrast to previous research, no Veracity differences occurred regarding the content of the drawings, perhaps because sketching was introduced as a tool that facilitated verbal recall and not as a stand‐alone tool. [ABSTRACT FROM AUTHOR]