For each of the studies below, identify the units of analysis, briefly explain why you believe this is the unit of analysis (specify the exact units of analysis, also indicate whether they are individuals, organizations, groups or social artifacts):

a. Study that examines why children become delinquents

b. Study that examines the effects of mandatory sentencing for drug offenses on state crime rates

c. Study that examines the effects of mandatory Domestic Violence arrest policies on police resources.