Answer Happy

Bias in Studies Choose EITHER Option A or Option B for your initial post. Please respond to two or more of the posts by Sunday night. At least one of those responses should be to a person who picked a different option than you did. Option A: A survey is conducted to determine the proportion of young adults who earn less than $15.000. Two sampling methods are being considered. Method A involves standing on a downtown street comer and randomly picking several young adults to interview every 10 minutes during a 12-hour period, Method involves posting the question on several popular young adult Websites the viewer simply has to click on one of two possible answers to participate 1. State a possible source of bias for Method A. and describe how it may affect the results. 2. State a possible source of blas for Method B, and describe how it may affect the results. Option : Does cell phone radiation increase a person's risk of getting cancer? How can an observational study be performed?