Professor Lee Is Interested in the Cognitive Development of Children

Multiple Choice

Professor Lee is interested in the cognitive development of children. So she looks at the problem solving strategies in a group of six-year olds and a group of ten-year olds. Then tests some of the children in each group over the two years. Professor Lee's research uses a

A) sequential design
B) cross-sectional design
C) longitudinal design
D) random design
E) stage design