Children in middle childhood are in Piaget’s __________ stage, which extends from about 7 to 11 years

Luo and Baillargeon recorded the reactions of infants to visual scenes, some occluded,

some not. In terms of the reactions of children two months old or younger, presenting an occlusion was the same as a. presenting full occlusion. b. presenting no occlusion. c. presenting an alternating occlusion. d. reversing the sequence of actions. e. inverting the sequence of actions.

Which ethnic group in the U.S. has a higher average family income than all other ethnic groups?

A) Asian Americans B) Latinos C) non-Hispanic Caucasians D) African Americans