The sum of the squared deviations of participants' scores from the mean is called

Your daughter, age 5, eats a huge breakfast each day and barely more than a slice of bread and a carrot for lunch and dinner. Will this be her new eating pattern?

a. In early childhood, appetites vary from day to day so this will change. b. Most children in early childhood will eat the same amount each day for 2-3 years. c. If she ate a lot as a baby, she will, very shortly, eat a large amount. d. Early childhood children eat a large amount of food each day consistently to help offset the large amount of calories they are burning off.

Research examining Piaget's theory in a number of different cultures indicates that

A) children seem to pass through Piaget's stages in the same order, but not necessarily at the same ages, worldwide. B) the rates at which individuals achieve formal operations are the same in industrialized and nonindustrialized countries. C) all children regardless of cultural background or educational level, eventually attain formal operations. D) children seem to pass through Piaget's stages in the same order and at the same ages worldwide.