Asked by jessika
write up a conrol group and a experimaental group
Example:
Control:Plant with no fertilizer
Eperimental groups:plant with fertilizer.
The point of the control is to prove that the IV did something to the plant.
Here's another example:
http://skepdic.com/control.html
Example:
Control:Plant with no fertilizer
Eperimental groups:plant with fertilizer.
The point of the control is to prove that the IV did something to the plant.
Here's another example:
http://skepdic.com/control.html
Answers
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