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9 Cards in this Set

  • Front
  • Back
Anything that affects an experiment
Variable
In the beginning of the experiement, what was different
The Independent variable
What changes because of the independent variable
Dependent variable
What stays the same for all groups
The Control variable
How many variable should you test at a time?
1
Aspirin reduces the number of strokes in men. What is the independent/ dependent variables?
I- aspirin

D- number of strokes
Shorter days produced higher incidence of depression?
Independent/Dependent
I - length of day

D- amount of depression
Affects of hormones on milk production of cows.
Independent/ Dependent
I -amount of hormone

D- amount of milk produced
Number of eggs laid by a hen is increased whn hormone dosage is increased
I - amount of hormone

D- number of eggs