John Callender,  Ph.D., President of Biodata Online and a widely recognized expert in employee selection and testing discusses the effectiveness of biodata as an employee selection tool based on real-world examples as well as scientific data.

Callender covers successful methodologies for validating biodata tests and insuring against adverse impact. Case studies of businesses who successfully used biodata are explored. Case studies covered include examples in which organizations improved job performance, improved retention, improved diversity, and controled costs. Comparisons are made on the predictive accuracy and adverse impact of biodata tests compared to cognitive tests and personality tests.