This essay will give examples and discuss the factors which can affect bystander behaviour in various situations. Models explaining theories will be looked at along with various studies, as well as looking at the three social cognitive processes by Latane and Darley and explain how these were put together to propose a complex cognitive model. The essay will explain the Arousal cost reward model by Piliavin and Piliavin.
A witness is someone who has firsthand knowledge about a crime through their senses and can certify to its happening and someone who has seen an event at firsthand is known as an eyewitness. Witnesses are often called before a court of law to testify in trials and their testimony is considered crucial in the identification and arrest of a suspect and the likelihood of a jury convicting a defendant.