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Search: authors:"Karen L. Kramer"

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Sibling Competition & Growth Tradeoffs. Biological vs. Statistical Significance

Early childhood growth has many downstream effects on future health and reproduction and is an important measure of offspring quality. While a tradeoff between family size and child growth outcomes is theoretically predicted in high-fertility societies, empirical evidence is mixed. This is often attributed to phenotypic variation in parental condition. However, inconsistent study ...

Mobility and Navigation among the Yucatec Maya

, UT , USA 2 Karen L. Kramer 3 Peabody Museum of Archaeology and Ethnology, Harvard University , Cambridge, MA , USA Sex differences in range size and navigation are widely reported, with males ... ) project, which aims to understand how navigational demands affect spatial cognition, and how these differ for men and women through the lifespan and cross-culturally. Karen L. Kramer is a behavioral