What are sex-related biological characteristics that affect gender-based behaviors?

According to Dennis (1940), Hopi infants who were placed on cradleboards until their first birthday

Adeveloped skills such as sitting, creeping, and walking in the usual sequence and at the same times as . non-cradleboarded, white American children B. suffered extreme limb damage, particularly to the legs C. lagged in verbal ability as a result of the deprivation of motor skills D. all selections are correct

Suppose your nephew's parents have forbidden his viewing of television shows that depict violent acts, preferring that he watch shows with prosocial themes

Your nephew knows you are familiar with the impact of television on learning and hopes that you can intercede on his behalf. Based on the research, you can honestly tell his parents that a. viewing television violence does not bring about increases in aggressive behavior. b. viewing television violence leads viewers to underestimate the occurrences of real-world violence. c. viewing television violence may bring about a reduction in both emotional arousal and distress at viewing violent behavior. d. there has been little psychological research on the behavioral impact of viewing television violence.