Identifying Independent and Dependent Variables
People will become shy if they are in a crowd. What is the Independent Variable?
crowd (number of people around)
UV light decreases the growth of mold. What is the Independent Variable?
UV light
Drinking Red Bull increases hyperactivity in children. What is the Independent Variable?
Red Bull consumption
Eating sugar impairs performance on a memory task.What is the Independent Variable?
eating sugar
Eating lemons causes students to have higher test scores. What is the Independent Variable?
lemon consumption
Too much stress causes stomach aches. What is the Independent Variable?
stress level
Listening to a radio broadcast of a sports event while studying for a test decreases performances on the test. What is the Dependent Variable?
test performance
Eating lemons causes students to have higher test scores.What is the Dependent Variable?
test scores
More sleeps help students move to class more quickly. What is the Dependent Variable?
time it takes for students to get to class
More sleeps help students move to class more quickly. What is the Independent Variable?
hours of sleep
Having longer football practice increases touchdowns during games. What is the Independent Variable?
length of football practice
Listening to a radio broadcast of a sports event while studying for a test decreases performances on the test. What is the Independent Variable?
listening to a radio
Eating sugar impairs performance on a memory task.What is the Dependent Variable?
memory level
UV light decreases the growth of mold. What is the Dependent Variable?
mold growth
Having longer football practice increases touchdowns during games. What is the Dependent Variable?
number of touchdowns during games
What is the Dependent Variable?
rate of hyperactivity
Smoking cigarettes while driving a car increases lung cancer. What is the Dependent Variable?
rate of lung cancer
Too much stress causes stomach aches. What is the Dependent Variable?
rate of stomach aches
People will become shy if they are in a crowd. What is the Dependent Variable?
shyness
Smoking cigarettes while driving a car increases lung cancer. What is the Independent Variable?
smoking cigarettes