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: Engagement and motivation

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 -.001        .000        .000        .000      
  Informal interaction (model)  .056 blue square blue square blue square  .039 blue square blue square    .083 blue square blue square blue square  .042      

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  .030 blue square blue square blue square  .029 blue square      .030 blue square blue square    .030 blue square blue square blue square
  Informal interaction (model)  .045 blue square      .103 blue square blue square blue square  .084 blue square blue square blue square  .046      

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  .116 blue square blue square blue square  .116 blue square blue square blue square  .116 blue square blue square blue square  .115 blue square blue square blue square
  Informal interaction (model)  .132 blue square blue square blue square  .183 blue square blue square blue square  .072 blue square blue square    .071 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  .095 blue square blue square blue square  .095 blue square blue square blue square  .095 blue square blue square blue square  .094 blue square blue square blue square
  Informal interaction (model)  .104 blue square blue square blue square  .123 blue square blue square blue square  .069 blue square blue square blue square  .063 blue square blue square blue square
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