Wednesday, June 30, 2021

While many behaviors emerge at similar ages in chimpanzees, human infants develop behavioral traits underpinning our prosocial and ultra-cooperative nature at a much accelerated rate

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Becoming uniquely human? Comparing chimpanzee to human infancy. Tobias Grossmann. Developmental Science, June 28 2021. https://doi.org/10.11...

Those of a left-wing orientation are more likely to use affiliative & aggressive humor styles; a general interest in politics is associated with the use of affiliative & self-enhancing styles of humor & a rejection of aggressive styles

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The politics of being funny: Humor styles, trait humorousness, and political orientations. Marisa L. Kfrerer, Edward Bell, Julie Aitken Sche...

When a sexist statement is followed by a brief silence that disrupts the flow of the conversation, observers think that it is contentious and that sexism is neither shared nor normative

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Koudenburg, N., Kannegieter, A. Postmes, T., Kashima, Y. (2020). The subtle spreading of sexist norms. Group Processes and Intergroup Relati...

Variability in Infants' Functional Brain Network Connectivity Is Associated With Differences in Affect and Behavior

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Variability in Infants' Functional Brain Network Connectivity Is Associated With Differences in Affect and Behavior. Caroline M. Kelsey,...

Less attractive & less intelligent-looking individuals seemed less human; attractiveness better predicted humanness attributions to women, perceived intelligence better predicted humanness attributions to men

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Alaei, R., Deska, J. C., Hugenberg, K., & Rule, N. O. (2021). People attribute humanness to men and women differently based on their fac...

Gay men earned less than heterosexual men; gay women earned more than heterosexual women, while bisexual men earned less than heterosexual men; bisex women earned less than heterosexual women

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Sexual Orientation and Earnings. A Meta-Analysis 2012-2020. Nick Drydakis. Global Labor Organization Discussion Paper No. 862. Jun 2021. htt...

Considering narcissism and particularly psychopathy and sadism when investigating individual male preferences for outdoor sex services that are being offered by particularly vulnerable women

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Darker Deals? Male Dark Tetrad preferences for female sex worker services. Sara Hughes, Joanna Adhikari, Katharine Goulding. Heliyon, June 2...

The finding that bisexuals are the sexual orientation group with the most pronounced Dark Triad profiles is opposite to what would be predicted by the prosociality hypothesis of same-sex sexual attraction

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The dark side of the rainbow: Homosexuals and bisexuals have higher Dark Triad traits than heterosexuals. Peter K. Jonason, Severi Luoto. Pe...

Donations of time are seen as more virtuous than donations of money, despite people’s (correct) belief that money-donations help more people; this is due to the perception that time-donors are more emotionally invested

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Moral signaling through donations of money and time. Samuel G.B. Johnson, Seo Young Park. Organizational Behavior and Human Decision Process...
Tuesday, June 29, 2021

The probability of shifting from an omnivore diet to a vegetarian or vegan diet over a one-year period was low, & veganism was the least stable dietary category; being men & conservatism predicted lower transitioning to no-meat diets

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To meat, or not to meat: A longitudinal investigation of transitioning to and from plant-based diets. Taciano L. Milfont et al. Appetite, Ju...

A neural circuit for spirituality and religiosity derived from patients with brain lesions: There is a common brain circuit in a region previously implicated in fear conditioning, pain modulation, and altruistic behavior

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A neural circuit for spirituality and religiosity derived from patients with brain lesions. Michael A. Ferguson et al. Biological Psychiatry...

I will present research and theory connecting the intersecting evolution of sex chromosomes, the placenta, and pregnancy, and how those combine to result in sex differences in many human diseases

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Sex-biased genome evolution. Melissa Wilson. Human Behavior & Evolution Society HBES 2021, Jun-Jul 2021. https://www.hbes.com/hbes-2021-...

Favorite and least favorite colors are different in the digital age: Now Black, Pink Yarrow, and Blazing Yellow are the favorite ones, before they were the traditional red-green-blue

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Exploring color attractiveness and its relevance to fashion. Kodzoman Duje, Hladnik Ales, Pavko Cuden Alenka, Cok Vanja. Color Research ...

Hadza with greater exposure to other cultures (schooling or participating in the market economy) shared more preferentially with campmates they ranked higher on generosity; the others showed no preference to sharing with generous campmates

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Hadza hunter-gatherers with greater exposure to other cultures preferentially share with generous campmates. Kristopher M Smith. Human Behav...

Hedonism is defined as valuing the personal experience of pleasure and comfort as a guiding principle in one’s life; There is no Temporal Relationship Between Hedonic Values And Life Satisfaction

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There is no Temporal Relationship Between Hedonic Values And Life Satisfaction: A Longitudinal Study Spanning 13 Years. Mohsen Joshanloo. Jo...

Sexual Language Use in U.S. College Students: Few terms were perceived as degrading or aggressive today (unlike 20 years ago); students believe that societal changes (sex education & #MeToo) are responsible for changes

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Sexual Language Use in U.S. College Students Across Twenty Years. Sarah K. Murnen, Paige E. Bullock, Eleanor J. Tetreault, Sydney A. Matteso...

Researchers seem surprised... Image Recognition Systems: Images of women received three times more annotations related to physical appearance; women in images are recognized at substantially lower rates in comparison with men

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Schwemmer, Carsten, Carly Knight, Emily Bello-Pardo, Stan Oklobdzija, Martijn Schoonvelde, and Jeffrey W. Lockhart. 2018. “Diagnosing Gender...

Why Has Personality Psychology Played an Outsized Role in the Credibility Revolution?

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Atherton, Olivia E., PhD, Joanne M. Chung, Kelci Harris, Julia M. Rohrer, David M. Condon, Felix Cheung, Simine Vazire, et al. 2021. “Why Ha...

Infants look longer at impossible or unlikely events than at possible events: Stable individual differences in infants’ responses to violations of intuitive physics

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Stable individual differences in infants’ responses to violations of intuitive physics. Jasmin Perez and Lisa Feigenson. Proceedings of the ...
Monday, June 28, 2021

Divisions of labor within & between pathways of the human immunological & central nervous systems dictate without conscious perception the allocation of energy into somatic growth, somatic maintenance, reproduction, & social capital

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The Human Colony: Origins and Function. Magdalena Hurtado. Human Behavior & Evolution Society HBES 2021, Jun-Jul 2021. https://www.hbes....

Male biathletes improve their performance in conditioning task (skiing) but deteriorate in coordination task (shooting) in the presence of an audience; female athletes show the reverse pattern

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Selection bias in social facilitation theory? Audience effects on elite biathletes' performance are gender-specific. Amelie Heinricha et...

Why Do People Watch Porn? An Evolutionary Perspective on the Reasons for Pornography Consumption

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Why Do People Watch Porn? An Evolutionary Perspective on the Reasons for Pornography Consumption. Vlad Burtaverde et al. Evolutionary Psycho...