Abbey always gets zits on her chin and she can't figure out the best method to get rid of them. She decides to test several products to see which clears her face up fastest washing with soap and water, washing with an acne face Wash from the pharmacy, and washing her face with organie oils For one week she just washes her face with water. The next wock she washes every day with soap and water. The following wock she uses the acne wash, and the last week she uses the organic oils Each week she records the number of zits she has on her chin at the end of the day. Independent Variable
Dependent Variable
Hypothesis
control group
Experimental group
Constants
possible threats to accuracy of results?
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