Professor Marshall wants to know if eating sweets for a bedtime snack makes children active. In his study, sweets before bedtime would be:

Question

Quizplus · Accepted Answer

The independent variable is the variable that is manipulated or changed by the researcher. In this case, Professor Marshall is manipulating the bedtime snack by giving the children sweets, therefore, sweets before bedtime would be the independent variable. The dependent variable would be the children's activity level, which is being measured after consuming the bedtime snack. The placebo and control condition are not relevant in this study.

Professor Marshall Wants to Know If Eating Sweets for a Bedtime