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

Nine-year learning outcomes: Valued skills

General knowledge

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

-.043

-.052

-.052

-.043

Informal interaction (model)

.028

-.027

.071

.143

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

-.138

-.133

-.133

-.138

Informal interaction (model)

.072

.-025

.029

.108

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

.107

.110

.110

.107

Informal interaction (model)

-.007

.121

.089

-.042

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

-.009

-.020

-.020

-.009

Informal interaction (model)

.067

.108

.031

-.002

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

.132

.130

.130

.132

Informal interaction (model)

.113

.044

-.075

.078