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Axinn says data show incidents of sexual assault start at 'very young age'

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Impacts of H-1B visas: Lower prices and higher production - or lower wages and higher profits?

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Call for papers: Conference on computational social science, April 2017, U-M

Sioban Harlow honored with 2017 Sarah Goddard Power Award for commitment to women's health

Post-doc fellowship in computational social science for summer or fall 2017, U-Penn

ICPSR Summer Program scholarships to support training in statistics, quantitative methods, research design, and data analysis

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Mon, Feb 13, 2017, noon:
Daniel Almirall, "Getting SMART about adaptive interventions"

How well does paternity confidence match actual paternity? Evidence from worldwide nonpaternity rates

Archived Abstract of Former PSC Researcher

Anderson, Kermyt G. 2006. "How well does paternity confidence match actual paternity? Evidence from worldwide nonpaternity rates." Current Anthropology, 48(3): 511-518.

Little is known about how accurately men’s confidence of paternity reflects actual paternity. Are men with high paternity confidence more likely to be fathers than men with low paternity confidence? A sample of 67 worldwide nonpaternity rates is divided into three categories: high paternity confidence (N = 22, mostly from genetic studies), low paternity confidence (N = 31, containing men who contested paternity through paternity tests), and unknown paternity confidence (N = 14, mostly unpublished studies). The results show that men with high paternity confidence have very low rates of nonpaternity (median = 1.7%), while men with low paternity confidence have much higher levels of nonpaternity (median = 29.8%). When men with low and unknown paternity confidence levels are combined, the median nonpaternity rate is 3.3%. These levels are all significantly different from one another (Wilcoxon sign-rank test), confirming that men with high paternity confidence are more accurate in their assessment of paternity than men with low paternity confidence. These differences in nonpaternity between these groups remain when compared by geographical region (U.S., Europe, and elsewhere).

DOI:10.1086/504167 (Full Text)

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