PSYC 3100 Lecture Notes - Lecture 16: Cinderella Effect, Child Murder, Stepfamily

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Outline lecture 16 parenting 2: discriminative parental care. The basic logic: invest parental investment optimally & avoid wasting it. Prediction: parental love should have evolved to allocate parental resources optimally. Identity: is this baby mine: some bases for discriminating. Razorbill does not recognize own eggs/young, will feed offspring in nest. Recognizes individual offspring to target parental investment general point: some species use individual recognition cues for dps, others use different cues that are just as effective in species" natural environment: cinderella effect: treating genetic children better than step-children. Introduction, evidence in mistreatment rates, + cross-cultural ubiquity. Could be because step-parents" abuse is more likely to be reported. Homicide per million co-residing parent-child dyads (much higher in step-parent) Cross cultural: big difference in child homicide rates by step vs. genetic parents in. Big differences in nonlethal abuse in studies in australia, britain, canada, columbia, Big difference in child mortality rates in ache hunter-gatherers. Cinderella story: mistreated step child in many cultures.

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