Cognitive explainations for crim look for the origins of offending in the mind of the individual.
Kohlberg's theory suggests that criminals have a lower level of moral reasoning and the crime is related to judgements of right and wrong.
Moral reasoning refers to the process by which an individual draws upon their own value system to determine whether an action is right or wrong.
Decisions and judgments of issues of right and wrong can be sumarised in a stage theory of moral development. The higher the stage, the more sophisticated the reasoning based on moral dilemmas.
Studies show that offenders show a lower level of moral reasoning.
Kohlberg et al (1973) found that a group of violent youths were significantly lower in moral development - Even after controlling social background.