<p>Codebook condition Experimental Condition for List Experiment 0=4-item survey (Control) 1=5-item survey (Treatment) university R’s University 1=Indiana University 2= Ohio State University 3= University of Illinois 4=University of Minnesota 5=Michigan State University 6=Purdue University 7=University of Iowa 8=University of Wisconsin 9=Northwestern University 10=Pennsylvania University 11=University of Michigan sport R’s Sport 1=Baseball 2= Football 3= Leightweight Rowing 4= Softball 5=Wrestling 6=Basketball 7=Golf 8=Pistol 9=Swimming 10=Cross Country 11=Gymnastics 12=Rifle 13=Tennis 14=Diving 15=Rowing 16=Track/Field 17=Fencing 18=Ice Hockey 19=Synchronized swimming 20=Volleyball 21=Field Hockey 22=Lacrosse 23=Soccer 24=Water Polo 25=Other gender R’s Gender 1=Male 2=Female african_american Whether R is African American 1 = Yes 0 = No year R’s Year in School (past semester/quarter)</p><p>1=First Year 2=Sophomore 3=Junior 4=Senior 5=n/a senior Whether R is (was) a senior (past semester/quarter) 1 = Yes 0 = No income R’s Family Income 1=<30.000 2=30,000-69,999 3=70,000-99,999 4=100,000-200,000 5=>200,000 pid R’s Party Identification 1=Strong Democrat 2=Weak Democrat 3=Independent Leans Democrat 4=Independent 5=Independent Lean Republican 6=Weak Republican 7=Strong Republican ideology R’s Ideology 1=Very Liberal 2=Moderately Liberal 3=Somewhat Liberal 4=Moderate 5=Somewhat Conservative 6=Moderately Conservative 7=Very Conservative athscholarship Whether R is on Athletic Scholarship 0 = Not on Athletic Scholarship 1 = On Athletic Scholarship extrapay Whether R Supports/Opposes Extra Pay for Athletes 1=strongly oppose 2=moderately oppose 3=slightly oppose 4=neither oppose nor support 5=slightly support 6=moderately support 7=strongly support heardunion Whether R has heard of union 0 = No 1 = Yes unionsupport Whether R supports unionization efforts 1=definitely oppose 2=moderately oppose 3=slightly oppose 4=neither oppose nor support 5=slightly support 6=moderately support 7=definitely support imppayunion Importance of attitudes 1 = Extremely unimportant 2 = mostly unimportant 3 = Slightly unimportant 4 = Niether important nor unimportant 5 = Slightly important 6 = mostly important 7 = Extremely important comply Whether R is worried about complying 1=extremely not worried 2=moderately not worried 3=slightly not worried 4=neither unworried nor worried 5=slightly worried 6=moderately worried 7=extremely worried caffeine How much caffeine 1=approximately 20 cups of coffee in one hour 4 2=approximately 10 cups of coffee in one hour 3 3=approximately 5 cups of coffee in one hour 2 4=approximately 1 cup of coffee in one hour 1 activities1 Performance Enhancing Drugs List Experiment Raw Count</p><p>[Enter number] activities2 Drinking List Experiment Raw Count</p><p>[Enter number] drugs Whether R said they took a performance enhancing drug (self-report) 1=Yes 2=No beer How often R drank beer in past academic year 1=Frequently 2=Occasionally 3=Not at all booz How often R drank wine/liquor in past academic year 1=Frequently 2=Occasionally 3=Not at all party How much time spent partying during typical week 1=none 2=less than 1 hour 3=1-2 hours 4=3-5 hours 5=6-10 hours 6=11-15 hours 7=16-20 hours 8=over 20 hours drink How many times in past week weeks R had five+ alcoholic drinks in a row 1=none 2=once 3=twice 4=3-5 times 5=6-9 times 6=10 times or more wrest R on wrestling team 0 = Not a member 1 = Member of wrestling team fooball R on football team 0 = Not a member 1 = Member of football team mbball R on male basketball team 0 = Not a member 1 = Member of male basketball team weight Sampling weight</p>