Racial Profiling: Using Propensity Score Matching to Examine Focal Concerns Theory combines theory and propensity score matching to offer readers a better understanding of racial profiling through traffic stop data concerning the race and gender of the driver. The book examines the likelihood of a citation, search, or consent search for similarly situated African-American and Caucasian drivers in general, similarly situated African-American and Caucasian male drivers, and similarly situated African-American and Caucasian female drivers.