An elementary school teacher is interested in the relation between sugar consumption and activity level in preschool children.The teacher gives 30 preschool children from Preppy Preschool Playland 0 milligrams, 20 milligrams, or 50 milligrams of sucrose (sugar) in a breakfast drink.She then observes their behavior for 30 minutes during their morning outdoor play period and codes their activity level.In this example, the dependent variable is:
A) 30 preschool children.
B) the amount of sucrose.
C) all preschool children.
D) activity level.

Question

Quizplus · Accepted Answer

The dependent variable in this study is the activity level of the preschool children, as this is the variable that is being observed and measured as a result of the manipulation of the independent variable (the amount of sucrose). The other options (A, B, and C) are not the dependent variable, but rather either the participants or the independent variable being manipulated.

An Elementary School Teacher Is Interested in the Relation Between