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 D1
Detailed regression summary tables: CIRP data base, White 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   Close friends in college
  were diverse 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  .017 blue square      .017 blue square      .017 blue square      .017 blue square blue square  
  Informal interaction (model)  .060        .137 blue square blue square blue square  .113 blue square blue square blue square  .026      

Writing
    Workshop model     Discussion model     Socializing model   Close friends in college
  were diverse 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  .085 blue square blue square blue square  .085 blue square blue square blue square  .085 blue square blue square blue square  .084 blue square blue square blue square
  Informal interaction (model)  .103 blue square blue square blue square  .184 blue square blue square blue square  .106 blue square blue square blue square  .006      

Listening ability
    Workshop model     Discussion model     Socializing model   Close friends in college
  were diverse 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  .044 blue square      .042 blue square      .042 blue square      .045 blue square blue square  
  Informal interaction (model)  .077 blue square blue square blue square  .087 blue square blue square blue square  .093 blue square blue square blue square  .025      
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