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: Citizenship engagement

Influencing the political structure
    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  .094 blue square  .082 blue square  .082 blue square blue square  .094 blue square blue square
  Informal interaction (model)  .208 blue square blue square blue square  .222 blue square blue square blue square  .030  .005

Influencing social values
    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  .114  .102  .102  .114
  Informal interaction (model)  .140 blue square blue square blue square  .202 blue square blue square blue square  .043  .101

Helping others in difficulty
    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  .067  .084  .084  .067
  Informal interaction (model)  .197 blue square blue square blue square  .183 blue square blue square blue square  -.006  .178 blue square blue square blue square

Being involved in programs to clean up the environment
    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  .042  .040  .040  .042
  Informal interaction (model)  .007  -.093  .035  -.065

Participating in community action program
    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  .156 blue square  .158  .158  .156 blue square
  Informal interaction (model)  .151 blue square  .262 blue square blue square blue square  -.118  .123

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