Dr. Jones studies sleep disturbances in preschool children. She randomly assigns a group of children to one of three conditions.
Each child sees either a monster movie, a violent cartoon, or Sesame Street before going to bed. Parents keep a diary record of crying during the night. Dr. Jones independent variable is:______.
The independent variable which is used by Dr Jones in his study on preschool children on sleep disturbances is:
Crying
<h3>What is an Independent Variable?</h3>
This refers to the type of variable which is used in a research that is not affected by other factors and remains the same, a constant.
With this in mind, we can see that based on the research which is made by Dr Jones, the independent variable which is used to study sleep disturbances is the<em> crying</em> which is exhibited by the children at night.
