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: Significant negative effects:

Outcome Variable

Four-year learning outcomes: Intellectual and academic skills---page 2 of 2

Analytical and problem-solving skills

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

-.093

-.107

-.107

-.093

Informal interaction (model)

.131

.044

.039

.041

Ability to think critically

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

-031

-029

-029

-031

Informal interaction (model)

.098

.171

-.001

.093

Writing skills

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

.100

.106

.106

.100

Informal interaction (model)

.165

.213

.078

.065

Foreign language skills

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

.098

.103

.103

.098

Informal interaction (model)

.190

-.069

.011

-.044