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

Four-year democracy outcomes: Racial/cultural engagement

Promoting racial understanding
    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  .253 blue square blue square blue square  .242 blue square      .242 blue square blue square blue square  .253 blue square blue square blue square
  Informal interaction (model)  .109  .430 blue square blue square blue square  .085  .164 blue square blue square blue square

Cultural awareness and appreciation
    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  .245 blue square blue square blue square  .249 blue square blue square  .249 blue square blue square blue square  .245 blue square blue square blue square
  Informal interaction (model)  .164 blue square blue square  .342 blue square blue square blue square  .005  .251 blue square blue square blue square

Acceptance of persons from different races/cultures
    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 -.022 -.025 -.025 -.022
  Informal interaction (model)  .024  .013  .174 blue square blue square blue square  .029

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