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 D5 Detailed regression summary tables: MSS data base, African American students--- page 1 of 5

Significant positive effects: Significant negative effects:

Outcome variable

Learning outcomes: Active thinking

Compex thinking

Personal   interactions model

Negative   interactions model

Amount of interaction with students of       color model

Amount of interaction with White   students model

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

Classroom diversity

.055

.055

.054

.054

Informal interaction (model)

.165

.011

.141

.008

Diversity of 6 best   friends model

Participation with   other groups model

Dialogue groups         model

Number of multicultural events   attended model

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

Classroom diversity

.054

.067

.054

.069

Informal interaction (model)

-.020

-.029

-.030

.088

Social historical thinking

Personal   interactions model

Negative   interactions model

Amount of interaction with students of       color model

Amount of interaction with White   students model

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

Classroom diversity

.349

.349

.353

.353

Informal interaction (model)

.187

.164

.138

-.026

Diversity of 6 best   friends model

Participation with   other groups model

Dialogue groups         model

Number of multicultural events   attended model

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

r

Step 1

Step 2

Classroom diversity

.353

.369

.353

.364

Informal interaction (model)

-.076

:

.114

-.095

.156