Play matters: the surprising relationship between juvenile playfulness and anxiety in later life

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Peter A. Biro, Judy A. Stamps · Trends in Ecology & Evolution · 2008 · 1.2K citations

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Natural selection and animal personality

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Life Sciences, Evolutionary Biology, Zoology +17

Personality Dimensions in Nonhuman Animals

Samuel D. Gosling, Oliver P. John · Current Directions in Psychological Science · 1999 · 859 citations

Social Sciences, Evolutionary Biology, Psychology +15