Researching theories of crime and deviance offers a critical evaluation of the research methods that generate data bridging the gap between theory and research in the study of crime and deviant behavior this unique resource challenges students to carefully appraise rather than blindly accept the research techniques that are used to produce theories and scholarship. Whereas historical biological explanations such as those provided by the italian school used biological traits from the whole body eg protruding jaws large ears as signifiers of a biological propensity for criminal behavior todays psychological theories of deviance use the biology of the brain in terms of the structure of the brain levels of neurotransmitters and psychiatric diagnoses to explain deviance. Researching theories of crime and deviance offers a critical evaluation of the research methods that generate data bridging the gap between theory and research in the study of crime and deviant behavior this unique resource challenges students to carefully appraise rather than blindly accept the research techniques that are used to produce theories and scholarship. Researching theories of crime and deviance offers a critical evaluation of the research methods that generate data bridging the gap between theory and research in the study of crime and deviant behavior this unique resource challenges students to carefully appraise rather than blindly accept the research techniques that are used to produce theories and scholarship