Generating different predictions than social psych - ages sought 4. If within a species there is variation among individuals in their hereditary traits, and some traits are more conducive to survival and reproduction than others, then those traits will become more widespread within the population, with the result that the species' aggregate pool of hereditary traits changes. Natural selection directly shapes human behavior.
All behavior maximizes rs.
We have flexible adaptations to promote rs. Ultimate explanations - can be compatible with mainstream psychology, e.g., Sternberg 2. In females, a .7 WHR correlates with perceived youth actual endocrine status actual long-term health risk 3. Confusing what is natural with what is good.