Although rumors have circulated on the Internet that some immunizations may actually cause harm to children, for example by triggering autism, scientific studies have found ____

Why might boys and girls show gender-stereotyped toy and activity preferences?

a. Some research shows major biological differences. b. Parents may discourage this through toy purchases and their actions. c. Children seek out information on which kinds of toys and play are "masculine" or "feminine" and then conform to the label d. Older siblings tell them what kind of toys are and are not acceptable.

George does not know very many people who have died and has a relative lack of interest in death-related issues; therefore, he brushes aside thoughts of death. He is most likely __________

A) in early adulthood B) in his thirties or forties C) in his fifties or sixties D) in late adulthood