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

Four-year learning outcomes: Intellectual and academic skills---page 1 of 2

Average undergraduate grade-point average (self-reported)
    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  .109     blue square  .117   blue square blue square  .117     blue square  .109     blue square
Informal interaction (model)   .063       -.056        .007        .156 blue square blue square  

General knowledge
    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  .106        .114        .114        .114      
Informal interaction (model)  .133        .059        .070       -.034      

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  .132 blue square   blue square  .140 blue square blue square blue square  .140 blue square blue square blue square  .130 blue square blue square blue square
Informal interaction (model)  .107 blue square      .046        .022        .068      

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  .057        .065        .065        .060      
Informal interaction (model)  .151 blue square blue square blue square  .156 blue square blue square blue square  .100        .027      

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  .008        .027        .027        .020      
Informal interaction (model)  .002        .045        .171 blue square blue square blue square  .063      

Rest of this section of Table D3   |  
Table D3 Menu   |  
Appendix D

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