第一印象判断中KDEF面部表情的面部表情探索性观察者类别效应

We examined how five posed facial expressions relate to self-paced first-impression judgments of attractiveness, trustworthiness, and dominance, and explored moderation by reported participant gender and KDEF model sex. A preliminary study (n = 19) informed stimulus assignment. In the main study, 245 participants recruited through a university course (164 men, 81 women) each rated one photograph of each of 20 KDEF models on 0–5 scales. Across five counterbalanced questionnaire versions, each model was presented in every expression condition. Linear mixed-effects models with random slopes for e