johari jitsu 

The use of self-promotional information volunteered by someone who lacks self-awareness to draw unfavorable conclusions about them.

We asked a job candidate to tell us something funny he saw at work, and he told us about a prank he pulled that must have been absolutely humiliating to one of his coworkers. It didn't take much johari jitsu to realize this sociopath would be a bad fit.

johari jitsu by enjoy_the_chaos July 28, 2011