The dependent variable in the study is the number of hours slept. This is because the researcher is measuring how the number of hours of sleep (which depends on the intervention of using the sleeping aid) is affected by the treatment condition (using the sleeping aid versus not using it).
A researcher is interested in studying the effects of a new natural sleeping aid on children ages 5-10. She will randomly assign half of the participants to take the sleeping aid an hour before their bedtime, while the other half will not take the sleeping aid. She will have parents record the number of hours their child slept each night over the course of four months. Which of the following elements is the dependent variable in the study?(1 point) Responses The number of hours slept The number of hours slept The sleep position of the participant The sleep position of the participant The age of the participant The age of the participant The natural sleeping aid
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