1-You are conducting a survey based study that seeks to examine the satisfaction of members at health clubs in your geographic area. In an attempt to save time, you find a previously validated and published questionnaire from a somewhat similar study performed at physical therapy clinics. What should your next step be?

Prepare your cover letter/introductory email

Send out your questionnaire

Validate the questionnaire again, since there are population differences

Perform a factor analysis to reduce the questionnaire item number

2-A statement that the risk of mortality coming from lung cancer could be reduced by 83% if a population quit using all forms of tobacco would be an example of using which statistic?

relative risk

attributable risk

absolute risk

odds ratio