Combining the model statement and the sketching while narrating interview techniques to elicit information and detect lies in multiple interviews

The current experiment examined the effects of combining two interview techniques on information elicitation and lie detection in multiple interviews. Participants were interviewed online over three weeks. Two-thirds of the participants (n = 114) were presented with the Model Statement interview technique in Interview 1 and were asked to sketch and narrate in Interview 2 (MS-Sketch condition) or vice versa (Sketch-MS condition). In Interview 3, participants provided a free recall. The remaining one-third of participants (n = 61) provided only a free recall in the three interviews. Truth tellers reported more information than lie tellers in all three interviews. In Interview 2, the Sketch-MS condition elicited more new information and cues to deceit than the other conditions. The results imply that veracity effects are consistent across multiple interviews and the Model Statement is effective for eliciting information and cues to deceit when preceded by an initial recall.