Q does indoor tanning cause skin cancer ses but

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Unformatted text preview: Uses “randomization” to establish cause & effect - Much more powerful in interpretation than an observational study ———————————————————– Observational Study ●● ● ● ● ● ● ● ● MH ● ●● ●● ● ●● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ● ● ● ● ● ● ●● ● ● ● ● ● ● ● ● ●● ● ● ●● ● ● ● ● ● ●● ● ● ●● ●● ● ● ● ● ● ● ● ● ● ● ● Found “relationship” between indoor tanning and skin cancer in a study of 10,000 people. ● ● ● ● ● ● Q: Does indoor tanning cause skin...
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