1: based on seriousness, hagen identifies four major categories of crime and deviance, consensus crimes, conflict crimes, social deviations, social diversions, consensus crimes and conflict crimes are the most serious ones. Research and measurement - the traditional model of science. 3: theory / research question inductive approaches deductive approaches, hypothesis. Rq: this study will explore the relationship between the type of crime committed and the severity of the sentence . Hypothesis: offenders who are convicted of street crimes receive longer sentences than those who are convicted of white collar crime . Indep. variable: type of crime committed: street crime. Drug dealing: white collar crime. Length of sentence in years: operationalization definitions of concepts / variables. Deriving deductive hypotheses application of theory (3 approaches) Ucr aggregate (ucr1. 0) survey: collects summary data for 100 separate criminal offences. Ucr incident-based (ucr 2. 0) survey: collects more detailed information on each incident, victims, and accused.