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These disorders also have a high comorbidity rate. However, little is known about the impact of co\u2010occurring schizotypal and obsessive\u2013compulsive traits on executive function, emotion experience, and emotion expressivity in the normal population. The present study examined the prevalence of coexisting schizotypal and obsessive\u2013compulsive traits and the relationship between these two traits in a sample of healthy college students. We also conducted a moderation analysis to explore the effect of these two type of traits on executive function, emotion experience, and emotion expressivity. We recruited 3,319 participants to complete the Schizotypal Personality Questionnaire (SPQ) and the Obsessive\u2013Compulsive Inventory \u2013 Revised (OCI\u2010R). A subset of them (<jats:italic>n<\/jats:italic> =\u2009575) also completed the Chinese versions of the Dysexecutive Questionnaire (DEX), the Temporal Experience of Pleasure Scale (TEPS), and the Emotional Expressivity Scale (EES). We found that the prevalence of co\u2010occurring schizotypal and OCD traits was 3.33%. All the subscales of the SPQ and the OCI\u2010R significantly correlated with each other. Both traits had a negative impact on executive function and emotion expressivity. The interaction between the disorganization dimension of schizotypal traits and OCD traits had a significant effect on executive function, but not emotion experience or emotion expressivity. This study was limited by its cross\u2010sectional design and recruitment of only college students. These findings suggest that there is an approximately 3% rate of co\u2010occurring schizotypal and obsessive\u2013compulsive traits in a healthy college student sample. The interaction between these two types of traits may influence executive function.<\/jats:p>","DOI":"10.1002\/pchj.372","type":"journal-article","created":{"date-parts":[[2020,7,17]],"date-time":"2020-07-17T02:43:28Z","timestamp":1594953808000},"page":"749-759","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Schizotypal and obsessive\u2013compulsive traits: Co\u2010occurrence rate and relationship with executive function, emotion experience, and emotion expressivity in college students"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1229-0039","authenticated-orcid":false,"given":"Hai\u2010di","family":"Shan","sequence":"first","affiliation":[{"name":"Translational Neuropsychology and Applied Cognitive Neuroscience Laboratory, Shanghai Mental Health Center Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5877-3856","authenticated-orcid":false,"given":"Rui\u2010ting","family":"Zhang","sequence":"additional","affiliation":[{"name":"Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health Institute of Psychology, Chinese Academy of Sciences  Beijing"},{"name":"Department of Psychology University of Chinese Academy of Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shu\u2010yao","family":"Jiang","sequence":"additional","affiliation":[{"name":"Translational Neuropsychology and Applied Cognitive Neuroscience Laboratory, Shanghai Mental Health Center Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yong\u2010ming","family":"Wang","sequence":"additional","affiliation":[{"name":"Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health Institute of Psychology, Chinese Academy of Sciences  Beijing"},{"name":"Department of Psychology University of Chinese Academy of Sciences  Beijing China"},{"name":"Sino\u2010Danish College University of Chinese Academy of Sciences  Beijing China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ya\u2010fei","family":"Liu","sequence":"additional","affiliation":[{"name":"Translational Neuropsychology and Applied Cognitive Neuroscience Laboratory, Shanghai Mental Health Center Shanghai Jiao Tong University School of Medicine  Shanghai China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eric F. 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