David P. Schmitt, Ph.D.
@psychoschmitt.bsky.social
Professor of Psychology and Department Head at Kansas State University, USA. Interests include personality, health, gender/sex diversity; Founded International Sexuality Description Project, Culture and Evolution, Dionysus Digital Health.
"etic and emic cross-cultural evidence openness/intellect is least cross-culturally portable Big Few trait. We hypothesize that variation in individualism, looseness, and complexity modify its relevance and coherence around a potentially universal core" journals.sagepub.com/doi/10.1177/...
November 13, 2025 at 6:47 PM
"etic and emic cross-cultural evidence openness/intellect is least cross-culturally portable Big Few trait. We hypothesize that variation in individualism, looseness, and complexity modify its relevance and coherence around a potentially universal core" journals.sagepub.com/doi/10.1177/...
"study of 92 countries (n = 53,774), trend of languishing mental health across many groups, particularly among younger adults...alarming but perhaps unsurprisingly low level of positive mental health in a substantial number of countries" osf.io/preprints/ps...
November 12, 2025 at 8:38 PM
"study of 92 countries (n = 53,774), trend of languishing mental health across many groups, particularly among younger adults...alarming but perhaps unsurprisingly low level of positive mental health in a substantial number of countries" osf.io/preprints/ps...
"Even though Sweden has reputation for equality...Extraversion, Conscientiousness, Emotional Stability co-occur at relatively higher levels in southern Sweden...municipal-level correlations with health and well-being variables...interpretations remain speculative" pubmed.ncbi.nlm.nih.gov/41204763/
November 11, 2025 at 7:55 PM
"Even though Sweden has reputation for equality...Extraversion, Conscientiousness, Emotional Stability co-occur at relatively higher levels in southern Sweden...municipal-level correlations with health and well-being variables...interpretations remain speculative" pubmed.ncbi.nlm.nih.gov/41204763/
"ironic exploration of a new construct—Pseudo—comprised of irrelevant relationship evaluations...moderately associated with common relationship measures (e.g., satisfaction, commitment)...methodological artifacts can pose a serious validity threat" journals.sagepub.com/doi/epub/10....
October 21, 2025 at 1:17 AM
"ironic exploration of a new construct—Pseudo—comprised of irrelevant relationship evaluations...moderately associated with common relationship measures (e.g., satisfaction, commitment)...methodological artifacts can pose a serious validity threat" journals.sagepub.com/doi/epub/10....
"Gender Gap in the Care Economy Is Larger in Highly Developed Countries: Sociocultural Explanations for Paradoxical Findings"...in rich and individualistic nations, men more likely to lack communal interests... www.researchgate.net/publication/...
October 18, 2025 at 1:33 AM
"Gender Gap in the Care Economy Is Larger in Highly Developed Countries: Sociocultural Explanations for Paradoxical Findings"...in rich and individualistic nations, men more likely to lack communal interests... www.researchgate.net/publication/...
"many harbor attraction to people outside of their relationship with no corresponding harms noted...some had extradyadic attractions linked to decreases in primary relationship satisfaction, especially those whose relationship quality was lower at baseline" onlinelibrary.wiley.com/doi/full/10....
October 13, 2025 at 3:12 PM
"many harbor attraction to people outside of their relationship with no corresponding harms noted...some had extradyadic attractions linked to decreases in primary relationship satisfaction, especially those whose relationship quality was lower at baseline" onlinelibrary.wiley.com/doi/full/10....
"participants who met their partners online reported lower relationship satisfaction and lower intensity of experienced love compared to those who met offline, with effect sizes ranging from small to medium" www.sciencedirect.com/science/arti...
September 19, 2025 at 1:47 PM
"participants who met their partners online reported lower relationship satisfaction and lower intensity of experienced love compared to those who met offline, with effect sizes ranging from small to medium" www.sciencedirect.com/science/arti...
"diversity of happiness conceptions and their links to well-being...interventions should be tailored to individuals' specific belief systems, as a one-size-fits-all approach may be insufficient" link.springer.com/article/10.1...
September 16, 2025 at 7:25 PM
"diversity of happiness conceptions and their links to well-being...interventions should be tailored to individuals' specific belief systems, as a one-size-fits-all approach may be insufficient" link.springer.com/article/10.1...
Male Sex, Masculinization, Sexual Orientation, and Gynephilia Synergistically Predict Increased Sexual Jealousy link.springer.com/article/10.1...
August 23, 2025 at 2:43 PM
Male Sex, Masculinization, Sexual Orientation, and Gynephilia Synergistically Predict Increased Sexual Jealousy link.springer.com/article/10.1...
Cultivating Wisdom Through Metacognition www.researchgate.net/publication/...
August 6, 2025 at 8:32 PM
Cultivating Wisdom Through Metacognition www.researchgate.net/publication/...
"The Mismeasure of Culture: Why Measurement Invariance Is Rarely Appropriate for Comparative Research in Psychology" journals.sagepub.com/doi/full/10....
June 20, 2025 at 1:49 PM
"The Mismeasure of Culture: Why Measurement Invariance Is Rarely Appropriate for Comparative Research in Psychology" journals.sagepub.com/doi/full/10....
"extent to which countries and US states = aversive societal conditions associated with individuals’ aversive personality levels about 20 years later...aligns well with theories suggesting that socioecological factors coshape development of personality traits" www.pnas.org/doi/10.1073/...
June 18, 2025 at 3:55 PM
"extent to which countries and US states = aversive societal conditions associated with individuals’ aversive personality levels about 20 years later...aligns well with theories suggesting that socioecological factors coshape development of personality traits" www.pnas.org/doi/10.1073/...
Cultural "emancipation" (living in wealthier, more egalitarian, individualistic nations) strengthens the links between attachment/personality and relationship satisfaction journals.sagepub.com/doi/abs/10.1...
June 17, 2025 at 4:32 PM
Cultural "emancipation" (living in wealthier, more egalitarian, individualistic nations) strengthens the links between attachment/personality and relationship satisfaction journals.sagepub.com/doi/abs/10.1...
"robust "Gender Attractiveness Gap"...female faces rated significantly more attractive than male faces...more pronounced among female than male raters...processes that extend beyond heterosexual mate choice" www.biorxiv.org/content/10.1...
June 12, 2025 at 8:56 PM
"robust "Gender Attractiveness Gap"...female faces rated significantly more attractive than male faces...more pronounced among female than male raters...processes that extend beyond heterosexual mate choice" www.biorxiv.org/content/10.1...
20th-century anthropologists called romantic love a Western invention – new paper, with data from 9 non-WEIRD societies (N = 937), finds high levels of passion, intimacy & commitment everywhere, adding evidence for the universality of love hypothesis www.sciencedirect.com/science/arti...
May 30, 2025 at 9:14 PM
20th-century anthropologists called romantic love a Western invention – new paper, with data from 9 non-WEIRD societies (N = 937), finds high levels of passion, intimacy & commitment everywhere, adding evidence for the universality of love hypothesis www.sciencedirect.com/science/arti...
Yes, there's one item on scale they used that is clearly sociosexuality! If they took that item out, very likely reduces the link (though not completely?). Still, what if unrestricted sociosexuality is, in fact, key part of what makes someone high in psychopathy? Or, what if high psychopathy = >SOI?
May 23, 2025 at 8:50 PM
Yes, there's one item on scale they used that is clearly sociosexuality! If they took that item out, very likely reduces the link (though not completely?). Still, what if unrestricted sociosexuality is, in fact, key part of what makes someone high in psychopathy? Or, what if high psychopathy = >SOI?
Cultural Differences in Correlations With Marital Satisfaction...65 Countries..."education level, openness, conscientiousness, stress, and loyalty were more strongly correlated with marital satisfaction in countries with a lower Emancipation Index" journals.sagepub.com/doi/abs/10.1...
May 7, 2025 at 2:46 PM
Cultural Differences in Correlations With Marital Satisfaction...65 Countries..."education level, openness, conscientiousness, stress, and loyalty were more strongly correlated with marital satisfaction in countries with a lower Emancipation Index" journals.sagepub.com/doi/abs/10.1...
The FlyOver State Scientists Integrating Evolution conference will be held in Manhattan, KS at Kansas State University on August 15-16th, 2025. Details and a link to the submission portal are at: fossilconference.strikingly.com
The submission deadline is June 2nd!
The submission deadline is June 2nd!
April 16, 2025 at 7:49 PM
The FlyOver State Scientists Integrating Evolution conference will be held in Manhattan, KS at Kansas State University on August 15-16th, 2025. Details and a link to the submission portal are at: fossilconference.strikingly.com
The submission deadline is June 2nd!
The submission deadline is June 2nd!
The Meanings and Dividends of Man the Hunter
April 4, 2025 at 8:31 PM
The Meanings and Dividends of Man the Hunter
A Cultural Evolution Approach to the Psychology of Acculturation journals.sagepub.com/doi/full/10....
April 2, 2025 at 3:26 PM
A Cultural Evolution Approach to the Psychology of Acculturation journals.sagepub.com/doi/full/10....
"People higher in greed tend to view their friends more like tools, needed to achieve their ambitions. This may lead to greater economic success, but also to greater feelings of loneliness" journals.sagepub.com/doi/10.1177/...
March 28, 2025 at 5:07 PM
"People higher in greed tend to view their friends more like tools, needed to achieve their ambitions. This may lead to greater economic success, but also to greater feelings of loneliness" journals.sagepub.com/doi/10.1177/...
"gender differences Big Five 27 countries representative samples (N=143,313)...women scored higher than men on all facets of Neuroticism and Agreeableness, but primarily on Anxiety and Compassion" osf.io/ysd3p_v1
March 25, 2025 at 5:34 PM
"gender differences Big Five 27 countries representative samples (N=143,313)...women scored higher than men on all facets of Neuroticism and Agreeableness, but primarily on Anxiety and Compassion" osf.io/ysd3p_v1
survey of "editorial board members of influential
journals...Experts rated men as having a significantly greater genetic advantage in systemizing activities, and women as having a significantly greater genetic advantage in empathizing activities" journals.sagepub.com/doi/pdf/10.1...
journals...Experts rated men as having a significantly greater genetic advantage in systemizing activities, and women as having a significantly greater genetic advantage in empathizing activities" journals.sagepub.com/doi/pdf/10.1...
March 25, 2025 at 5:28 PM
survey of "editorial board members of influential
journals...Experts rated men as having a significantly greater genetic advantage in systemizing activities, and women as having a significantly greater genetic advantage in empathizing activities" journals.sagepub.com/doi/pdf/10.1...
journals...Experts rated men as having a significantly greater genetic advantage in systemizing activities, and women as having a significantly greater genetic advantage in empathizing activities" journals.sagepub.com/doi/pdf/10.1...
So what are things like inside the NIH at present? www.science.org/content/blog...
March 19, 2025 at 9:20 PM
So what are things like inside the NIH at present? www.science.org/content/blog...
"well-being and relational mobility in a representative sample of 22,669 people across China...across 74,657 people in 34 cultures...cultural environments of relational mobility make people happy" psycnet.apa.org/record/2025-...
March 16, 2025 at 11:48 PM
"well-being and relational mobility in a representative sample of 22,669 people across China...across 74,657 people in 34 cultures...cultural environments of relational mobility make people happy" psycnet.apa.org/record/2025-...