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: Engagement and motivation

Graduate degree aspirations
    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  .097 blue square blue square blue square  .096 blue square blue square blue square  .096 blue square blue square blue square  .097 blue square blue square blue square
  Informal interaction (model)  .162 blue square blue square blue square  .170 blue square blue square blue square  .143 blue square blue square blue square  .043 blue square blue square blue square

Drive to achieve
    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 -.005       -.007       -.007       -.005      
  Informal interaction (model)  .062 blue square blue square blue square  .038        .076 blue square blue square blue square  .037      

Self-confidence (intellectual)
    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  .031 blue square blue square blue square  .030 blue square      .030 blue square blue square blue square  .030 blue square blue square blue square
  Informal interaction (model)  .049 blue square      .119 blue square blue square blue square  .077 blue square blue square blue square  .031      

Write original works (poems, novels, short stories, etc.)
    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  .107 blue square blue square blue square  .108 blue square blue square blue square  .108 blue square blue square blue square  .107 blue square blue square blue square
  Informal interaction (model)  .152 blue square blue square blue square  .202 blue square blue square blue square  .094 blue square blue square blue square  .055 blue square blue square blue square

Create artistic works (painting, sculpture, decorating, etc.)
    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  .100 blue square blue square blue square  .099 blue square blue square blue square  .098 blue square blue square blue square  .100 blue square blue square blue square
  Informal interaction (model)  .109 blue square blue square blue square  .137 blue square blue square blue square  .089 blue square blue square blue square  .072 blue square blue square blue square

Preparation for graduate/professional school
    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  .054 blue square blue square    .055 blue square blue square    .055 blue square blue square    .055 blue square blue square blue square
  Informal interaction (model)  .098 blue square blue square blue square  .142 blue square blue square blue square  .121 blue square blue square blue square -.001      

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