Saturday, September 11, 2021

Adoptive & biological families with 30-year-old offspring: Proportion of variance in IQ attributable to environmentally mediated effects of parental IQs was estimated at .01; heritability was estimated to be 0.42

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Genetic and environmental contributions to IQ in adoptive and biological families with 30-year-old offspring. Emily A. Willoughby, Matt McGu...

Asking the mayor's office how to start a business: Chinese & German cities responded to 36-37% requests; American cities responded to 22%; Chinese cities were more responsive to requests from men

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Köhler, Ekkehard A. and Matsusaka, John G. and Wu, Yanhui, Street-Level Responsiveness of City Governments in China, Germany, and the United...
Friday, September 10, 2021

Older Taiwanese people had slower processing speeds than their US peers; younger Taiwanese people had faster processing speeds than their US peers; physiological, environmental, and genetic factors contribute

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Development of processing speed in the United States and Taiwan: A brief report. Hsinyi Chen, Yung-Kun Liao, Richard Lynn. Personality and I...

Helping behavior, bystander intervention, violence, emergency, danger, systematic video observation

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Does Danger Level Affect Bystander Intervention in Real-Life Conflicts? Evidence From CCTV Footage. Marie Rosenkrantz Lindegaard et al. Soci...

Centenarians: 31.4% expressed willingness to live longer, 30.6% did not, & 38% presented no clear positioning; annoyance, uselessness, loss of meaning, disconnection, & loneliness were common justifications for reluctance

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To Live or Die: What to Wish at 100 Years and Older. Lia Araújo et al. Front. Psychol., September 10 2021. https://doi.org/10.3389/fpsyg.202...

Higher nut intake was associated with reductions in body weight and body fat; current evidence demonstrates the concern that nut consumption contributes to increased adiposity appears unwarranted

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Are fatty nuts a weighty concern? A systematic review and meta-analysis and dose–response meta-regression of prospective cohorts and randomi...
Thursday, September 9, 2021

Average generation time is 26.9 years across the past 250,000 years, with fathers consistently older (30.7 y) than mothers (23.2 y), a disproportionate increase in female generation times over the past several thousand years

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Human generation times across the past 250,000 years. Richard J. Wang et al. bioRxiv Sep 7 2021. https://doi.org/10.1101/2021.09.07.459333 A...

Babbling in bat pups is characterized by the same eight features as babbling in human infants, including the conspicuous features reduplication and rhythmicity

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Babbling in a vocal learning bat resembles human infant babbling. Ahana A. Fernandez, Lara S. Burchardt, Martina Nagy, Mirjam Knörnschild. S...

The ultimatum and dictator games were developed to help identify the fundamental motivators of human behavior, typically by asking participants to share windfall endowments with other persons

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If you've earned it, you deserve it: ultimatums, with Lego. Adam Oliver. Behavioural Public Policy, September 9 2021. https://www.cambri...

Our analyses do not establish causality; the small effect sizes suggest that increased screen time is unlikely to be directly harmful (mental health, behavioral problems, academic performance, peer relationships) to 9 & 10-yo children

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Paulich KN, Ross JM, Lessem JM, Hewitt JK (2021) Screen time and early adolescent mental health, academic, and social outcomes in 9- and 10-...