"Nyah, nyah, nyah, nyah," Diane says to her younger sister Rhonda. "I have reached the formal-operational stage of thinking, so according to Piaget, I can now think ____ and you can't!" As ridiculous as this conversation is, if Diane is 13 and Rhonda is 9, what would the correct answer be?

In the United States, one reason that transition to secondary school during ___ may be difficult is because students have to learn to manage their schedules in addition to managing academic work

a. early childhood b. middle childhood c. adolescence d. emerging adulthood

In a school in a traditional culture, recess combines all children from each class outside at once. Given the research, which of the following is a likely playgroup for a five- to six-year-old on that playground?

a. girls and boys playing together b. children from different grades playing together. c. children from the same grade/ age playing together. d. children not playing