it were considered to be costabile. but also creates a racial bias in this process. attend not to be to begin with and then to have a the bias issue for what they're doing to reinforce. >> host: professor rivera former management consultant , are you part of this elites system? are you guilty? not trying to put you on the spot. >> yes for cry was never interviewed from my old firm but i lived in the world for a long time and it is quite tempting to take the short cuts that the firms take you like people who are similar to you or shared background we're all guilty of that. federal think dianne unique i don't have authority to hire anyone hopefully i will put in the structured protocols. >> host: is pedigree rich in for the general public or management students? >> as a psychologist i got my ph.d. in and it is intended to be for scholars with equality also impacts for managers their practitioners by a very happy about that but the intended audience was sociologists. i'm happy if anyone reads it [laughter] >> host: princeton press that you use the word polished quite a