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 D2
Detailed regression summary tables: CIRP data base, African American 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   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 -.089 -.090 -.090 -.089
  Informal interaction (model)  .136 blue square blue square blue square -.043 .076 -.140

Self-confidence (intellectual)
    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 -.124 -.126 -.126 -.124
  Informal interaction (model) -.006 -.122 .039 -.086

Write original works (poems, novels, short stories, etc.)
    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  .099 .082 .082 .099
  Informal interaction (model)  .128 blue square blue square blue square .107 -.063 -.070

Create artistic works (painting, sculpture, decorating, etc.)
    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  .063 .048 .048 .063
  Informal interaction (model)  .108 blue square blue square blue square  .194 blue square blue square blue square .071 -.022

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