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: Intellectual and academic skills

Academic ability

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

-.057

-.057

-.067

Informal interaction (model)

-.103

.026

.136

-.106

Writing

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

.130

.120

.120

.130

Informal interaction (model)

.118

.171

.107

-.083

Listening ability

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

.025

.037

.037

.025

Informal interaction (model)

.012

.105

-.031

-.053