Once bone density starts to shrink in young adulthood there is nothing adults can do to slow the process

Imagine that several students are discussing the advantages and disadvantages of child-care programs for children. Which student's statement offers the best summary of the research in this area?

a. Chris: "The research clearly demonstrates that children are better off in child-care programs than in home care.". b. Pat: "In general, children who have been in child-care programs and children cared for at home are similar in their closeness to their mothers.". c. Fran: "At this point, no study has demonstrated any significant differences between children in child-care programs and children cared for at home.". d. Kim: "Because so much research has been conducted, we can now firmly conclude that children are better off if they are cared for at home.".

"Founders of social psychology" Norman Triplett and Max Ringelmann both performed research that examined

a. the influence groups exert on their members. b. the impact of the presence of others on performance. c. how behaviors are shaped by perceptions. d. the impact of different leadership strategies on group performance.