DSQ 2-8-1

A research design in which one participant or group of similar participants is followed and studied over a long period of time is called a _________ design.

• longitudinal

• cross-sectional

• cross-sequential

• quasi-experimental

• extended

Humans have a total of ____ chromosomes in each cell of their bodies.

• 22

• 23

• 44

• 46

• 54

Which of the following describes the relationship between heredity and environment factors in determining development?

• Environmental factors are much more important than heredity.

• Experience can affect our genes, but genes cannot affect our experiences.

• Genes and experiences can affect each other.

• Genes and experiences are completely independent of each other.

• Genetic factors are more important than experiences.

A psychologist observes a group of nine-year-olds and a group of thirteen-year-olds during recess at school in order to assess changes in play group preferences of boys and girls between these two ages. This researcher's study uses a ________design.

• longitudinal

• cross-sectional

• cross-sequential

• quasi-experimental

• extended