Dr.Jiminez investigates the influence of snacking on the onset of sleep in preschool children.One group of preschoolers eats a candy bar prior to bedtime,and the other group eats nothing.Time until the onset of sleep is recorded for each child.In this experiment,eating or not eating the snack is the ____ variable,and the time until the onset of sleep is the ____ variable.

Question

Quizplus · Accepted Answer

The independent variable is the variable that is manipulated or controlled by the experimenter, which is whether the preschoolers eat a snack or not. The dependent variable is the variable being measured, which is the time until the onset of sleep, and it depends on the independent variable.

DrJiminez Investigates the Influence of Snacking on the Onset of Sleep