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 D3
Detailed regression summary tables: CIRP data base, Latino students
Significant positive effects: blue square
Significant negative effects: blue diamond
Outcome Variable

Nine-year learning outcomes: Engagement and motivation

Drive to achieve
    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  .187        .202 blue square   blue square  .202 blue square blue square blue square  .197 blue square blue square blue square
Informal interaction (model)  .148        .168        .015       -.003      

Self-confidence (intellectual)
    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  .030        .048        .048        .045      
Informal interaction (model)  .036        .071       -.033        .045      

Write original works (poems, novels, short stories, etc.)
    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  .150 blue square      .134        .134        .142 blue square blue square blue square
Informal interaction (model)  .127 blue square      .042        .048       -.110   blue diamond blue diamond

Create artistic works (painting, sculpture, decorating, etc.)
    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 -.045       -.056       -.056       -.053      
Informal interaction (model)  .005       -.057       -.016       -.146 blue diamond blue diamond blue diamond

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