Question 1
Liling and Mei sit next to each other in preschool. Each is coloring a picture. They work independently and do not talk. Liling and Mei are engaged in __________ play.
◦ parallel
◦ simple social
◦ cooperative pretend
◦ rough-and-tumble
Question 2
Low-income families who got their food from Supplemental Nutrition Centers in three cities were recruited, and a group of aggressive children was identified. They were assigned randomly to a program called the Family Check-Up, which was designed to prevent conduct problems in the children by improving parenting practices, enhancing marital relationships, and helping with child care and housing. The control group received only nutritional services. After two years in the program, children in the treatment group __________.
◦ were less aggressive based on teacher ratings
◦ were less aggressive in school, but improved behavior faded after two years
◦ had about the same levels of aggression as the control group
◦ were more aggressive because they modeled the aggression of other children in the program
Food chains.
Mexican Food
Income per Capita versus Income of the Bottom Quintile
Comparing a Food Chain and a Food Web
Lone-parent household income and the degree of vulnerability
Lobes of the brain, with primary receiving and integrating centers of the human cerebral cortex.