The variable that is purposely changed in an experiment.
What is Independent Variable
An eperiment was done where the researchers controlled the amount of time students spent on social media throughout the semester. Then they looked at the student's semester grades. Identify the IV.
amount of time on social media
Which variable is on the x axis?
Independent variable
An eperiment was done where the researchers controlled the amount of time students spent on social media throughout the semester. Then they looked at the student's semester grades. Identify the DV.
Student's semester grades
Which variable is on the y axis?
Dependent variable
Identify the DV: How does the size of a ball affect the height of its bounce?
height of bounce
I am running an experiment to discover which dish soap is the best for cleaning dirty pans. I test three different soap brands. What is the independent variable?
Type of dish soap I use
I am testing the effect of amount of sleep on my quiz scores. I sleep for 6, 8 and 10 hours and record my quiz scores from the next day. What do I put on the x axis?
Amount of time spent sleeping
Identify the IV: How does the amount of candy someone eats affect how much they weigh?
amount of candy eaten
I want to see how fast ice freezes in a freezer at different temperatures. I put ice in a freezer at 30 degrees, 10 degrees, and -10 degrees. What is the independent variable?
Temperature of the freezer the ice is in
I am running an experiment to find the effect of breakfast foods on my class performance. I eat cereal, oatmeal, eggs and no breakfast. What do I put on the y axis?
my class performance
Identify the DV: How does the height of the ramp affect the distance a toy car rolls?
distance car rolls
If I want to figure out whether adding more merits to a class increases participation, what is my dependent variable in the experiment?
Amount of student participation
What are the independent and dependent variables?