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

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

Analytical and problem-solving skills
    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  .012        .013        .013        .013      
  Informal interaction (model)  .037 blue square blue square    .058 blue square blue square blue square  .083 blue square blue square blue square  .002      

Ability to think critically
    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  .074 blue square blue square blue square  .074 blue square blue square    .074 blue square blue square blue square  .073 blue square blue square blue square
  Informal interaction (model)  .101 blue square blue square blue square  .166 blue square blue square blue square  .105 blue square blue square blue square  .019      

Writing skills
    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  .112 blue square blue square blue square  .113 blue square blue square blue square  .114 blue square blue square blue square  .111 blue square blue square blue square
  Informal interaction (model)  .133 blue square blue square blue square  .184 blue square blue square blue square  .079 blue square blue square blue square  .018      

Foreign language skills
    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  .142 blue square blue square blue square  .144 blue square blue square blue square  .144 blue square blue square blue square  .142 blue square blue square blue square
  Informal interaction (model)  .099 blue square blue square blue square  .117 blue square blue square blue square  .090 blue square blue square blue square  .024 blue square    

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