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Table 10 Summary statistics for peer ability indices and residual peer ability indices by campus and cohort

From: College major peer effects and attrition from the sciences

 

Index of peer ability

Residual index of peer ability

 

STEM

Non-STEM

STEM

Non-STEM

 

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Berkeley

        

1995-1997

1.4555

0.0002

1.1805

0.0003

0.0243

0.0245

−0.0158

0.0173

1998-2000

1.6181

0.0002

1.5583

0.0002

−0.0105

0.0095

0.0080

0.0083

2001-2003

1.6000

0.0002

1.4567

0.0002

−0.0131

0.0184

0.0073

0.0139

All

1.5589

0.0725

1.4007

0.1590

0.0000

0.0251

0.0000

0.0175

Los Angeles

        

1995-1997

0.5979

0.0002

0.6388

0.0002

−0.0227

0.0317

0.0147

0.0232

1998-2000

1.0830

0.0002

1.1922

0.0002

0.0092

0.0132

−0.0070

0.0106

2001-2003

1.1367

0.0002

1.1498

0.0002

0.0111

0.0189

−0.0062

0.0139

All

0.9518

0.2378

1.0063

0.2465

0.0000

0.0270

0.0000

0.0192

San Diego

        

1995-1997

0.2989

0.0002

0.6030

0.0002

−0.0401

0.0340

0.0381

0.0299

1998-2000

0.6416

0.0002

0.9385

0.0002

−0.0101

0.0158

0.0146

0.0168

2001-2003

0.7347

0.0002

0.9625

0.0002

0.0378

0.0329

−0.0400

0.0326

All

0.5786

0.1831

0.8505

0.1586

0.0000

0.0436

0.0000

0.0434

Davis

        

1995-1997

−0.1687

0.0002

−0.5313

0.0002

0.0207

0.0344

−0.0035

0.0254

1998-2000

−0.1490

0.0002

−0.5018

0.0002

0.0196

0.0255

−0.0230

0.0295

2001-2003

−0.2904

0.0001

−0.3817

0.0002

−0.0326

0.0450

0.0224

0.0371

All

−0.2087

0.0647

−0.4646

0.0661

0.0000

0.0446

0.0000

0.0370

Irvine

        

1995-1997

−0.8159

0.0002

−1.0736

0.0002

0.0159

0.0295

−0.0342

0.0450

1998-2000

−0.4559

0.0002

−0.5296

0.0002

−0.0125

0.0245

0.0121

0.0231

2001-2003

−0.2256

0.0002

−0.2415

0.0002

−0.0008

0.0321

0.0146

0.0351

All

−0.4688

0.2382

−0.5722

0.3369

0.0000

0.0311

0.0000

0.0410

Santa Barbara

        

1995-1997

−1.0099

0.0003

−0.9739

0.0002

−0.0027

0.0259

−0.0184

0.0336

1998-2000

−0.2558

0.0002

−0.2593

0.0002

0.0126

0.0206

−0.0061

0.0193

2001-2003

−0.2257

0.0002

−0.1633

0.0002

−0.0094

0.0348

0.0228

0.0391

All

−0.4885

0.3600

−0.4563

0.3593

0.0000

0.0294

0.0000

0.0364

Santa Cruz

        

1995-1997

−1.2431

0.0006

−0.9166

0.0004

0.0197

0.0301

−0.0029

0.0244

1998-2000

−1.0628

0.0004

−0.7574

0.0003

−0.0004

0.0214

−0.0044

0.0195

2001-2003

−1.1463

0.0004

−0.8177

0.0002

−0.0118

0.0314

0.0053

0.0342

All

−1.1435

0.0685

−0.8231

0.0607

0.0000

0.0308

0.0000

0.0280

Riverside

        

1995-1997

−1.8061

0.0007

−1.6483

0.0005

−0.0178

0.0307

0.0443

0.0670

1998-2000

−1.7132

0.0004

−1.6632

0.0003

−0.0171

0.0316

0.0127

0.0248

2001-2003

−1.6484

0.0002

−1.8592

0.0002

0.0209

0.0394

−0.0299

0.0550

All

−1.7032

0.0600

−1.7489

0.1005

0.0000

0.0400

0.0000

0.0581