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6. What does Geher et al look at when it comes to the anxiety levels of males and females?
- Males have higher levels of anxiety
- Females have higher levels of anxiety
- Equal levels of anxiety
7. Maternal grandparents have more investment why?
- Because they know that it's their grandchild
- Because they tend to have more money
- This is not true
8. Who looked at the sexual arousal of males when shown sexual imagery?
9. What is parental investment?
- Investments made by parents to increase chance of survival
- Investments made by family to help parents in chance of offspring survival
- Investments given by parents into child education specifically