Dr. Kid is studying the effects of sleep on a child's reading speed. She initially takes a measure of each child's reading speed. Next, she varies the amount of sleep different children get. Finally, she re-measures their reading speed. What is the independent variable in her study?
•initial reading speed
•post reading speed
•amount of sleep
•the difference between the initial and post reading
speeds

Question

Dr. Kid is studying the effects of sleep on a child's reading speed. She initially takes a measure of each child's reading speed. Next, she varies the amount of sleep different children get. Finally, she re-measures their reading speed. What is the independent variable in her study?
•initial reading speed
•post reading speed
•amount of sleep 
•the difference between the initial and post reading
speeds

Quizplus · Accepted Answer

The Answer of Dr. Kid is studying the effects of sleep on a child's reading speed. She initially takes a measure of each child's reading speed. Next, she varies the amount of sleep different children get. Finally, she re-measures their reading speed. What is the independent variable in her study?
•initial reading speed
•post reading speed
•amount of sleep 
•the difference between the initial and post reading
speeds

Dr Kid Is Studying the Effects of Sleep on a Child's