EXPERT REPORT OF PATRICIA GURIN
Gratz, et al. v. Bollinger, et al., No. 97-75321 (E.D. Mich.)
Grutter, et al. v. Bollinger, et al., No. 97-75928 (E.D. Mich.)

Table D2
Detailed regression summary tables: CIRP data base, African American students
Significant positive effects: blue square
Significant negative effects: blue diamond
Outcome Variable

Nine-year outcomes: Living/working in a diverse society---page 1 of 2

How well did your undergraduate education prepare you for graduate school?
    Workshop model     Discussion model     Socializing model   Same race: Close friends
  in college model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .224 blue square blue square blue square  .233 blue square blue square blue square  .233 blue square blue square blue square  .224 blue square blue square blue square
  Informal interaction (model)  .134 blue square  .138  .130  .051

How well did your undergraduate education prepare your current/most recent job?
    Workshop model     Discussion model     Socializing model   Same race: Close friends
  in college model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .004  .011  .011  .004
  Informal interaction (model)  .091  -.122 blue diamond blue diamond  .132  -.003

Past year: Discussed racial/ethnic issues
    Workshop model     Discussion model     Socializing model   Same race: Close friends
  in college model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .172 blue square blue square  .160 blue square  .160 blue square blue square  .172 blue square
  Informal interaction (model)  .122  .327 blue square blue square blue square  .063  -.262 blue diamond blue diamond blue diamond

Past year: Socialized with someone of another racial/ethnic group
    Workshop model     Discussion model     Socializing model   Same race: Close friends
  in college model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  -.029  -.018  -.018  -.029
  Informal interaction (model)  -.078  -.134  .242 blue square blue square blue square  .378 blue square blue square blue square

Current close friends are diverse
    Workshop model     Discussion model     Socializing model   Same race: Close friends
  in college model  
  Predictors r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3 r Step 1 Step 2 Step 3
  Classroom  .082  .085  .085  .082
  Informal interaction (model)  .204 blue square blue square  .124  -.218 blue diamond blue diamond blue diamond  .733 blue square blue square blue square

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