Research conducted by Belsky and colleagues has concluded that when people grow up with parents who treat them harshly, reject them, are inconsistent in their disciplinary and nurturing practices, and provide erratic parental investment, they are more likely to develop
a. a short-term mating strategy.
b. the desire to constantly evoke cooperation across all environmental conditions.
c. highly cooperative personalities with mating strategies marked by delayed reproduction.
d. an unconscientious personality.