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: Intellectual and academic skills

Academic ability
    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  .056        .049        .049        .053      
Informal interaction (model)  .020        .137 blue square      .094       -.065      

Writing
    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 -.056       -.061       -.061       -.054      
Informal interaction (model)   .050        .121 blue square blue square blue square  .082        .017      

Listening ability
    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  .173 blue square blue square    .173 blue square blue square    .173 blue square      .171 blue square blue square  
Informal interaction (model)  .060        .093        .195 blue square blue square    .004      

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