Kragh's Defence Mechanism Test has proved its worth in a number of applied settings but has hitherto required skilled time‐consuming interpretation. Two studies are reported which validate an “objectively scored” version of the test developed using G‐analysis. In the first, it was found that this version of the test could successfully predict the performance of trainee pilots. The second study examined the construct validity of this version of the test. It was found that the predictive factor from Study I re‐emerged within a sample of students, where it correlated positively with scores on a test of perceptual defence and the Shrewdness (N) scale of the 16PF, and negatively with two of the identification scales of the Defence Mechanism Test. This factor was tentatively identified as one of general defensiveness. It is concluded that this form of the test deserves consideration when selecting individuals for stressful occupations.