[Effects of visual features of a weapon on eyewitnesses' cognitive processing].

This study examines the hypothesis that a knife attracts witnesses' attention because of its pointed shape. In Experiment 1, 60 participants were shown a picture of a kitchen scene in which a woman held one of three items: a pointed knife, a square-shaped knife, or a detergent spray bottle. The weapon focus effect was measured by the recognition of details related to the object.

[How does the emotionality of the witnessed event affect the source monitoring ability?].

This study investigated if emotionality affects the occurrence of source misattribution, which seems to be the most valid mechanism of misinformation effect. A half of 120 participants saw an emotionally stressful videotaped movie, and the other half a neutral one. Then, they answered the questionnaire, which included misinformation about the details of the movie.