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 democracy outcomes: Citizenship engagement---page 2 of 2

Community service reason: To fulfill my social responsibility
    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  .126  .133  .133  .126
  Informal interaction (model)  .186 blue square blue square blue square  .218 blue square blue square blue square  .057  -.010

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  .003  -.005  -.005  .003
  Informal interaction (model)  .022  .021  .099  -.078

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  .121  .116  .116  .121
  Informal interaction (model)  .017  .082  -.124  .077

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  .177 blue square  .199 blue square blue square blue square  .199 blue square blue square blue square  .177 blue square
  Informal interaction (model)  .181 blue square blue square blue square  .081  -.064  .229 blue square blue square blue square

Being involved in programs that 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  .120 blue square blue square  .119 blue square  .119 blue square blue square  .120 blue square blue square
  Informal interaction (model)  .014  .045  .052 -.050

Participating in a 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  .180 blue square blue square  .190 blue square  .190 blue square blue square  .180 blue square
  Informal interaction (model)  .204 blue square blue square blue square  .222 blue square blue square blue square  -.115  .312 blue square blue square blue square

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