- Summary
- Contents
- Subject index
The examination of personality and individual differences is a major field of research in the modern discipline of psychology. Concerned with the ways humans develop an organised set of characteristics to shape themselves and the world around them, it is a study of how people come to be 'different' and 'similar' to others, on both an individual and a cultural level. This volume focuses on the multiple origins of personality and individual differences, in chapters arranged across three thematic sections: Part 1: Biological Origins of Personality and Individual Differences Part 2: Developmental Origins of Personality and Individual Differences Part 3: Environmental Origins of Personality and Individual Differences With outstanding contributions from leading scholars across the world, this is an invaluable resource for researchers and graduate ...
Chapter 19: Sex Ratio Influences on Personality and Individual Differences
Sex Ratio Influences on Personality and Individual Differences
Recognition of the importance of the sex ratio dates back at least to Darwin (1871), who deduced that a species’ sex ratio was usually nearly balanced between males and females. Because each offspring has one mother and one father, on average males and females in a population will have equivalent reproductive success. If there are more females in a population than males, the daughters’ average reproductive success will be lower, and selection will favor the production of sons. A stable equilibrium is generated on an evolutionary timescale through the advantageous production of the scarcer sex. Darwin's (1871) description of influential factors ...
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