This study investigated the validity and incremental validity of a situational interview beyond that of a composite measure of cognitive ability. Forty‐seven factory service technicians underwent an interview and took four cognitive ability tests. Supervisors rated the performance of these subjects in a concurrent validation study. The interview was found to be a valid predictor of a supervisor rating of performance (r = 0.32,p<0.05 uncorrected), however, was unable to show incremental validity over ability tests (Incremental R2= 0.05, n.s.). Limitations of the present study and directions for future research are discusse