Tuesday, June 22, 2021

Results are therefore inconsistent with claims in the literature that rats are altruistically motivated to share food with other rats, even when food is abundant

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Failure to Find Altruistic Food Sharing in Rats. Haoran Wan, Cyrus Kirkman, Greg Jensen and Timothy D. Hackenberg. Front. Psychol., June 22 ...

Learning coherence is likely to emerge in individuals and triads, but not in dyads; this coherence in turn leads to higher performance

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Harada T (2021) Three heads are better than two: Comparing learning properties and performances across individuals, dyads, and triads throug...

Does a 7-day restriction on the use of social media improve cognitive functioning and emotional well-being? Results from a randomized controlled trial show no benefits from a severe screen-time reduction

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Does a 7-day restriction on the use of social media improve cognitive functioning and emotional well-being? Results from a randomized contro...
Monday, June 21, 2021

Effects of Evolution, Ecology, and Economy on Human Diet: Insights from Hunter-Gatherers and Other Small-Scale Societies

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Effects of Evolution, Ecology, and Economy on Human Diet: Insights from Hunter-Gatherers and Other Small-Scale Societies. Herman Pontzer and...
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Do Local Sex Ratios Approximate Subjective Partner Markets? There is a need for more fine-grained, age-specific sex ratios

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Do Local Sex Ratios Approximate Subjective Partner Markets? Evidence from the German Family Panel. Andreas Filser & Richard Preetz. Huma...