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rewrite: In controlled experiments, collected data are ALWAYS compared with data from a CONTROL GROUP
In controlled experiments, collected data are ALWAYS compared with data from a CONTROL GROUP
Controls are necessary to determine if—
MANIPULATINF THE IV TRULY AFFECTED THE DV
a control group is-
NEVER MANIPULATED and shows a normal DATA RESPONSE
Positive control
is designed to give a POSITIVE RESULT
Negative control
is designed to give a NEGATIVE RESULT
to make a positive control you what?
mix a known steroid with the sd
to make a negative control you what?
mix the SD with a substance that has ZERO steroids