DrJiminez Investigates the Influence of Snacking on the Onset of Sleep

Multiple Choice

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.

A) independent; dependent
B) dependent; independent
C) experimental; control
D) control; experimental