The current study examined the validity of the Nightmare Proneness Scale (NPS; Kelly, 2018) as measuring a personality disposition that predisposes individuals to experience frequent nightmares. The NPS and measures to estimate its convergent and discriminant validity were administered to a sample of 140 university students. The convergent validity of the scale was supported through significant correlations with nightmare frequency, nightmare distress, nightmare effects, general psychological distress, neuroticism, and trauma symptoms. Discriminant validity was demonstrated through nonsignificant correlations with feminine gender role, habitual sleep length, and social desirability. Regression results indicated that the NPS significantly predicted incremental variance in nightmares above general distress, neuroticism, and trauma symptoms combined as well as above nightmare distress and nightmare effects. The results and suggestions for additional research on the NPS and nightmare proneness were suggested.

中文翻译：

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噩梦倾向量表的收敛、判别和增量有效性。

当前的研究检查了噩梦倾向量表（NPS；Kelly，2018）作为衡量使个人容易经历频繁噩梦的性格倾向的有效性。对 140 名大学生样本进行了 NPS 和估计其收敛效度和区分效度的措施。该量表的收敛效度通过与噩梦频率、噩梦痛苦、噩梦效应、一般心理痛苦、神经质和创伤症状的显着相关性得到支持。区分效度通过与女性性别角色、习惯性睡眠长度和社会期望的非显着相关性来证明。回归结果表明，NPS 显着预测了噩梦的增量方差，高于一般的痛苦、神经质、和创伤症状相结合，以及上述噩梦般的痛苦和噩梦的影响。提出了对 NPS 和噩梦倾向进行进一步研究的结果和建议。