Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International by Alisha Janowsky
Origins of Individual Differences & Fitness
Individual Differences
Fitness
If personality traits affect reproductive success (fitness), why hasn't natural selection eliminated "bad" traits? Here are Buss's explanations:
If everyone has the same evolved mechanisms, why aren't we all identical? Here are Buss's explanations:
Different environments favor different traits
Frequency-Dependent Selection:
Different Adaptive Strategies
Traits have context-dependent fitness effects
Environment Calibration
Sexual selection complicates things
Trade Offs
Origins of Individual Differences & Fitness
Alisha Janowsky
Created on October 3, 2025
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International by Alisha Janowsky
Origins of Individual Differences & Fitness
Individual Differences
Fitness
If personality traits affect reproductive success (fitness), why hasn't natural selection eliminated "bad" traits? Here are Buss's explanations:
If everyone has the same evolved mechanisms, why aren't we all identical? Here are Buss's explanations:
Different environments favor different traits
Frequency-Dependent Selection:
Different Adaptive Strategies
Traits have context-dependent fitness effects
Environment Calibration
Sexual selection complicates things
Trade Offs