I have to design an experiment?

Mims

New member
This might sound weird but its just to practice designing an experiment....
What is a good hypothesis to this question:Does hot tub use by pregnant women increase the incidence of birth defects?
What would be the standardized, dependent, and independent variables? and control?

This is what i have so far:
Hypothesis: If a woman uses a hot tub during pregnancy, the chances of a baby being born with a defect are increased.
Independent Variable: Temperature of the water in the hot tub
Dependent Variable: Birth defects (testing for incidence)
Standardized Variables:
1)Women are all of the same age
2)Women are all in the same trimester of pregnancy
3)Twenty women use the hot tub three times a week for 8 weeks
4)Twenty women do not use the hot tub during those 8 weeks
Control: Women who do not use a hot tub during pregnancy

Does this sound okay?
 
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