These are sample statements from the scale that most consistently predicts poor job performance: the personality trait of neuroticism. AdvertisementHere are reasons people with this personality trait often struggle at work — even when they’re talented:1. Neuroticism studies explained how it compromises cognitive processing capacity and overall job performance. Unlike neuroticism, emotional stability is correlated with job satisfaction and general emotional well-being. Well-being is, in turn, associated with high job performance across the board.