Psychological factors in accident causation

In the introduction the author states that ¿psychological factors are prominent in thecausationof the majority of accidents¿ The value of the individual´s personal ¿defence mechanism ¿ is mentioned, and a psychological analysis of why men have accidents is made. Safety habits and accident proneness are considered in detail, and the paper ends with a section devoted to ¿Stupidity and perversity¿. The discussion covers a verywide field of accident causation, including psychological and environmental factors.