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.
27 nations..."Multilingualism emerged as protective factor (against accelerated aging) in cross-sectional and longitudinal analyses, monolingualism increased risk...Effects persisted after adjusting for linguistic, physical, social and sociopolitical exposomes" www.nature.com/articles/s43...
Multilingualism protects against accelerated aging in cross-sectional and longitudinal analyses of 27 European countries - Nature Aging
In cross-sectional and longitudinal analyses of 86,149 participants across 27 European countries, Amoruso, Hernandez and colleagues identify multilingualism as a protective factor against accelerated ...
www.nature.com
November 11, 2025 at 5:01 AM
27 nations..."Multilingualism emerged as protective factor (against accelerated aging) in cross-sectional and longitudinal analyses, monolingualism increased risk...Effects persisted after adjusting for linguistic, physical, social and sociopolitical exposomes" www.nature.com/articles/s43...
Reposted by David P. Schmitt, Ph.D.
We are doing a pilot survey about how prospective PhD students in PSYCHOLOGY make decisions about applying to grad programs. If you are thinking of applying to a program in the future, and have 2-5 minutes to spare, could you take this survey? 🫶
northwestern.az1.qualtrics.com/jfe/form/SV_...
northwestern.az1.qualtrics.com/jfe/form/SV_...
November 10, 2025 at 3:29 PM
We are doing a pilot survey about how prospective PhD students in PSYCHOLOGY make decisions about applying to grad programs. If you are thinking of applying to a program in the future, and have 2-5 minutes to spare, could you take this survey? 🫶
northwestern.az1.qualtrics.com/jfe/form/SV_...
northwestern.az1.qualtrics.com/jfe/form/SV_...
"higher cognitive ability and education were associated with spending less time on self-help products...people did not differ in personality and well-being change trajectories depending on self-help product use and usage intensity, raising considerations about the effectiveness of such products"
New preprint! 📚📱 osf.io/3kpf9_v1
Did you ever stand in a bookshop and wondered who tends to buy self-help books, and whether people who buy them actually change? Here, we looked at these questions for self-help products more generally (also apps, seminars, etc.), which are a rapidly (1/3)
Did you ever stand in a bookshop and wondered who tends to buy self-help books, and whether people who buy them actually change? Here, we looked at these questions for self-help products more generally (also apps, seminars, etc.), which are a rapidly (1/3)
OSF
osf.io
November 2, 2025 at 5:50 PM
"higher cognitive ability and education were associated with spending less time on self-help products...people did not differ in personality and well-being change trajectories depending on self-help product use and usage intensity, raising considerations about the effectiveness of such products"
"How should we cope with this Trump chaos?...We keep the faith in America’s ideals. We stay as close as we can to our loved ones and dearest friends. And we celebrate small and noble acts of decency, wherever they occur."
The mad would-be king cannot abide even a moment of calm. He thrives on crises, emergencies, chaos, disarray — all of which give him more power, if we let them. How should we cope with this Trump chaos? Some thoughts... https://robertreich.substack.com/p/sunday-thought-coping-with-trumps
Sunday thought: Coping with Trump's chaos
Friends,
robertreich.substack.com
November 2, 2025 at 5:41 PM
"How should we cope with this Trump chaos?...We keep the faith in America’s ideals. We stay as close as we can to our loved ones and dearest friends. And we celebrate small and noble acts of decency, wherever they occur."
Reposted by David P. Schmitt, Ph.D.
"only about 5% of the variance in personality can be
predicted from digital footprints, and personality‐tailored messages show negligible effects on behavior... When design and evaluation flaws are controlled, the combined end‐to‐end effectiveness of psychological targeting approaches zero."
predicted from digital footprints, and personality‐tailored messages show negligible effects on behavior... When design and evaluation flaws are controlled, the combined end‐to‐end effectiveness of psychological targeting approaches zero."
The (In)Effectiveness of Psychological Targeting: A Meta‐Analytic Review
The use of psychological targeting—employing machine learning to predict consumer personality from digital footprints and subsequently tailoring persuasive messages—has emerged as a controversial yet...
onlinelibrary.wiley.com
October 31, 2025 at 2:55 PM
"only about 5% of the variance in personality can be
predicted from digital footprints, and personality‐tailored messages show negligible effects on behavior... When design and evaluation flaws are controlled, the combined end‐to‐end effectiveness of psychological targeting approaches zero."
predicted from digital footprints, and personality‐tailored messages show negligible effects on behavior... When design and evaluation flaws are controlled, the combined end‐to‐end effectiveness of psychological targeting approaches zero."
Sex and gender differences matter when it comes to improving outcomes for dementia braincanada.ca/clarke-lissa...
Advancing sex and gender research in dementia
Drs. Natasha Clarke and Rikki Lissaman are advancing dementia research by exploring the impact of sex and gender differences on brain health.
braincanada.ca
October 30, 2025 at 6:48 PM
Sex and gender differences matter when it comes to improving outcomes for dementia braincanada.ca/clarke-lissa...
Reposted by David P. Schmitt, Ph.D.
📢 Conference opportunity: The International Association for Cross-Cultural Psychology (IACCP) is hosting their 2026 congress in Leuven, Belgium (July 14-18). Registrations and submissions are now open!
Learn more: ow.ly/nHEV50Xj9ZE
Learn more: ow.ly/nHEV50Xj9ZE
October 29, 2025 at 12:26 AM
📢 Conference opportunity: The International Association for Cross-Cultural Psychology (IACCP) is hosting their 2026 congress in Leuven, Belgium (July 14-18). Registrations and submissions are now open!
Learn more: ow.ly/nHEV50Xj9ZE
Learn more: ow.ly/nHEV50Xj9ZE
121 nations..."religious/spiritual connection associated positively with subjective well-being in the global sample of religious individuals and, in some countries, nonreligious individuals" journals.sagepub.com/doi/abs/10.1...
Religious/Spiritual Connection and Subjective Well-Being Across Religious and Nonreligious Individuals in 121 Countries - Zhuo Job Chen, Telli Davoodi, Pablo Diego-Rosell, Timothy Lomas, Alden Yuanhon...
Prior research suggests a positive association between some religious/spiritual variables and well-being. However, many measures of religious/spiritual construc...
journals.sagepub.com
October 28, 2025 at 1:45 AM
121 nations..."religious/spiritual connection associated positively with subjective well-being in the global sample of religious individuals and, in some countries, nonreligious individuals" journals.sagepub.com/doi/abs/10.1...
Masculinity and sexual attraction appear to shape how people respond to infidelity www.psypost.org/masculinity-...
Masculinity and sexual attraction appear to shape how people respond to infidelity
A large study finds that reactions to infidelity vary not only by sex but also by sexual orientation and psychological traits. Traits like masculinity, femininity, and sexual attraction appear to shap...
www.psypost.org
October 26, 2025 at 4:40 PM
Masculinity and sexual attraction appear to shape how people respond to infidelity www.psypost.org/masculinity-...
"cultural values may be more effective than formal institutions in buffering individuals against the psychological consequences of financial scarcity" journals.sagepub.com/doi/10.1177/...
Sage Journals: Discover world-class research
Subscription and open access journals from Sage, the world's leading independent academic publisher.
journals.sagepub.com
October 24, 2025 at 5:12 PM
"cultural values may be more effective than formal institutions in buffering individuals against the psychological consequences of financial scarcity" journals.sagepub.com/doi/10.1177/...
on cultural evolution approaches in evolutionary behavioral sciences..."scholarly work on historical legacies cannot be entirely reduced to individual or inclusive fitness calculus, nor dismissed as epiphenomenal, if we are to make sense of human diversity" www.sciencedirect.com/science/arti...
A smart challenge but ultimately mistimed and misleading: Commentary on Baumard and André
www.sciencedirect.com
October 23, 2025 at 1:57 PM
on cultural evolution approaches in evolutionary behavioral sciences..."scholarly work on historical legacies cannot be entirely reduced to individual or inclusive fitness calculus, nor dismissed as epiphenomenal, if we are to make sense of human diversity" www.sciencedirect.com/science/arti...
"multiple ways polygyny can be harmful.
Nevertheless, best evidence suggests polygyny is unlikely to be root cause of social unrest...polygyny may not just be a tolerable choice but in some contexts a preferred arrangement with tangible benefits for both genders" theconversation.com/rethinking-p...
Nevertheless, best evidence suggests polygyny is unlikely to be root cause of social unrest...polygyny may not just be a tolerable choice but in some contexts a preferred arrangement with tangible benefits for both genders" theconversation.com/rethinking-p...
October 21, 2025 at 9:32 PM
"multiple ways polygyny can be harmful.
Nevertheless, best evidence suggests polygyny is unlikely to be root cause of social unrest...polygyny may not just be a tolerable choice but in some contexts a preferred arrangement with tangible benefits for both genders" theconversation.com/rethinking-p...
Nevertheless, best evidence suggests polygyny is unlikely to be root cause of social unrest...polygyny may not just be a tolerable choice but in some contexts a preferred arrangement with tangible benefits for both genders" theconversation.com/rethinking-p...
believing one’s mate value lower than partner’s...For community members from Israel, being “over-benefited” linked to positive relationship, whereas negative evaluations for college students from the USA...concerns about their partner being “out of their league” link.springer.com/article/10.1...
In the Eye of the Beholder: Mate Value and Romantic Relationship Functioning - Evolutionary Psychological Science
These studies examined the links that mate value and mate value discrepancies had with indicators of romantic relationship functioning (i.e., satisfaction, investment, commitment, and quality of alter...
link.springer.com
October 21, 2025 at 9:23 PM
believing one’s mate value lower than partner’s...For community members from Israel, being “over-benefited” linked to positive relationship, whereas negative evaluations for college students from the USA...concerns about their partner being “out of their league” link.springer.com/article/10.1...
"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....
"race and sexual orientation did not often explain differences in perception of academic fields while gender did...several recommendations for higher education based on our results" academic.oup.com/aesa/advance...
Evaluating perceptions of STEM majors to explain diversity gaps in entomology and other sciences
Abstract. Communities working in entomology, ecology, and other natural sciences are known for having shortfalls in racial and gender diversity. We aim to
academic.oup.com
October 21, 2025 at 1:07 AM
"race and sexual orientation did not often explain differences in perception of academic fields while gender did...several recommendations for higher education based on our results" academic.oup.com/aesa/advance...
"findings may help explain why differences...so consistent across time and cultures...humans conform well to general mammalian trend of female advantage in [life expectancy], demonstrating, at least in terms of sex differences in survival, our species is not unique" www.science.org/doi/full/10....
Sexual selection drives sex difference in adult life expectancy across mammals and birds
Sexual size dimorphism and mating system contribute to male and female life-span differences across wild and zoo populations.
www.science.org
October 21, 2025 at 1:03 AM
"findings may help explain why differences...so consistent across time and cultures...humans conform well to general mammalian trend of female advantage in [life expectancy], demonstrating, at least in terms of sex differences in survival, our species is not unique" www.science.org/doi/full/10....
Reposted by David P. Schmitt, Ph.D.
“The ousting comes amid a critical dispute within academia about how to rebuild confidence in higher education in a politically polarized moment.”
This is such a tortured story frame it is functionally a lie. Greg Abbott is not trying to rebuild confidence, he is proudly conducting a purge.
This is such a tortured story frame it is functionally a lie. Greg Abbott is not trying to rebuild confidence, he is proudly conducting a purge.
Texas professor ousted from admin role over "ideological differences"
Art Markman had served as a senior vice provost for academic affairs since 2021.
www.axios.com
October 20, 2025 at 11:01 AM
“The ousting comes amid a critical dispute within academia about how to rebuild confidence in higher education in a politically polarized moment.”
This is such a tortured story frame it is functionally a lie. Greg Abbott is not trying to rebuild confidence, he is proudly conducting a purge.
This is such a tortured story frame it is functionally a lie. Greg Abbott is not trying to rebuild confidence, he is proudly conducting a purge.
"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/...
Reposted by David P. Schmitt, Ph.D.
Administrators at Indiana University baselessly fired the student media director and ordered the student paper to cease its print edition, so it'd sure be a shame if this excellent digital front page were to be widely shared today
issuu.com/idsnews/docs...
issuu.com/idsnews/docs...
October 17, 2025 at 1:31 PM
Administrators at Indiana University baselessly fired the student media director and ordered the student paper to cease its print edition, so it'd sure be a shame if this excellent digital front page were to be widely shared today
issuu.com/idsnews/docs...
issuu.com/idsnews/docs...
"Overall cognitive-personality functioning peaks between ages 55 and 60" www.sciencedirect.com/science/arti...
Humans peak in midlife: A combined cognitive and personality trait perspective
Fluid intelligence, which peaks near age 20 and declines materially across adulthood, is often regarded as the most critical cognitive ability for pre…
www.sciencedirect.com
October 17, 2025 at 2:38 AM
"Overall cognitive-personality functioning peaks between ages 55 and 60" www.sciencedirect.com/science/arti...
Reposted by David P. Schmitt, Ph.D.
How can we create interventions that reduce aggression in society, both online and face-to-face? Understanding and addressing the causes of this behavior is the focus of Christopher Barlett's research.
Learn more in our latest SPSP Member Spotlight: ow.ly/NmY250Xcqbw
Learn more in our latest SPSP Member Spotlight: ow.ly/NmY250Xcqbw
October 16, 2025 at 11:48 PM
How can we create interventions that reduce aggression in society, both online and face-to-face? Understanding and addressing the causes of this behavior is the focus of Christopher Barlett's research.
Learn more in our latest SPSP Member Spotlight: ow.ly/NmY250Xcqbw
Learn more in our latest SPSP Member Spotlight: ow.ly/NmY250Xcqbw
"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....
Reposted by David P. Schmitt, Ph.D.
Excited to share my new preprint. My work focuses on solitude, but I am not one to advocate for a "solitude theory"; psych has too many theories so one less would be good. So, what I did the past 2 yrs is talking to people, reading work outside of my literature, essentially to shop for a framework 🧵
September 30, 2025 at 8:38 AM
Excited to share my new preprint. My work focuses on solitude, but I am not one to advocate for a "solitude theory"; psych has too many theories so one less would be good. So, what I did the past 2 yrs is talking to people, reading work outside of my literature, essentially to shop for a framework 🧵
"funds to support work related to global psychology and address the needs of underserved populations facing documented barriers to care, including but not limited to communities disproportionately affected by social, economic, or geographic disadvantage" www.apa.org/about/awards...
www.apa.org
October 12, 2025 at 1:53 PM
"funds to support work related to global psychology and address the needs of underserved populations facing documented barriers to care, including but not limited to communities disproportionately affected by social, economic, or geographic disadvantage" www.apa.org/about/awards...