ACES Admission Validity Study Sample University

Section 1: Descriptive summary of the admission measures

Statistical summaries of study measures

Type	Measure Name	N	Mean (SD)	Minimum	Maximum
College Outcome	Cumulative GPA through first year	2,922	3.13 (0.49)	1.37	4.00
High School GPA	High School GPA	2,922	3.61 (0.27)	2.80	4.00
SAT Test Score	SAT RW Section	2,922	639 (64)	365	800
SAT Test Score	SAT Math Section	2,922	660 (72)	410	800
SAT Test Score	SAT Total score	2,922	1299 (110)	850	1600
Add. Predictor	InterviewScore	2,922	8.68 (1.19)	4.00	12.00

Section 2: Evaluating Admission Measures

Subgroup	Number of Students	Meeting SAT Readiness Benchmark (percent)	Mean Predicted GPA	Mean Actual GPA	Mean Difference: Actual GPA - Predicted GPA
All Students	2,922	96.20%	3.13	3.13	<0.01
Gender: Female	1,456	96.36%	3.14	3.13	<0.01
Gender: Male	1,466	96.04%	3.13	3.14	<0.01
Ethnicity: African American	146	86.30%	2.99	2.89	-0.10
Ethnicity: Asian	798	98.12%	3.15	3.10	-0.04
Ethnicity: Hispanic	305	94.43%	3.05	3.01	-0.04
Ethnicity: Other	151	94.04%	3.12	3.07	-0.04
Ethnicity: White	1,475	96.68%	3.16	3.21	0.05
Commuter: Commuter	884	96.27%	3.17	3.18	0.02
Commuter: Non-commuter	2,038	96.17%	3.12	3.11	-0.01

Section 3: Using the Admissions Measures for Future Students

SAT Total Score	GPA 2.00+	GPA 2.33+	GPA 2.67+	GPA 3.00+	GPA 3.33+	GPA 3.67+	N
850 - 1225	95%	90%	81%	62%	36%	13%	97
1230 - 1300	97%	95%	92%	79%	49%	22%	147
1305 - 1370	99%	97%	95%	86%	60%	31%	171
1375 - 1600	99%	99%	97%	94%	78%	48%	250

Percent of Students

60% - 75%

75% +

SAT Total Score	GPA 2.00+	GPA 2.33+	GPA 2.67+	GPA 3.00+	GPA 3.33+	GPA 3.67+	N
850 - 1225	96%	91%	73%	51%	28%	5%	158
1230 - 1300	98%	95%	85%	62%	36%	10%	189
1305 - 1370	98%	96%	94%	77%	48%	16%	198
1375 - 1600	99%	96%	92%	83%	60%	24%	199

Percent of Students

60% - 75%

75% +

SAT Total Score	GPA 2.00+	GPA 2.33+	GPA 2.67+	GPA 3.00+	GPA 3.33+	GPA 3.67+	N
850 - 1225	99%	95%	78%	56%	26%	2%	203
1230 - 1300	97%	91%	81%	58%	26%	5%	190
1305 - 1370	97%	94%	86%	72%	32%	10%	145
1375 - 1600	98%	94%	85%	70%	42%	18%	154

Percent of Students

60% - 75%

75% +

SAT Total Score	GPA 2.00+	GPA 2.33+	GPA 2.67+	GPA 3.00+	GPA 3.33+	GPA 3.67+	N
850 - 1225	96%	89%	58%	31%	10%	1%	291
1230 - 1300	98%	91%	71%	46%	19%	5%	241
1305 - 1370	99%	94%	81%	59%	31%	9%	170
1375 - 1600	97%	89%	81%	63%	40%	15%	119

Percent of Students

60% - 75%

75% +

Section 4: Using the Predicted GPA for Current Students

Expected Cumulative GPA through first year	Actual Cumulative GPA through first year below 3.0	Actual Cumulative GPA through first year 3.0 or higher
Expected Cumulative GPA through first year below 3.0	495 (59%)	342 (41%)
Expected Cumulative GPA through first year 3.0 or higher	542 (26%)	1,543 (74%)

Actual Cumulative GPA through first year	Number	Percent	Mean Difference (Actual - Predicted Cumulative GPA through first year
2.5 to 2.99	12	7%
2.0 to 2.49	95	56%	-0.92
Below 2.0	62	37%	-1.32
Total	169	100%	-1.06

Actual Cumulative GPA through first year	Number	Percent	Mean Difference (Actual - Predicted Cumulative GPA through first year
3.5 and Above	267	85%	0.65
3.0 to 3.49	48	15%	0.58
Total	315	100%	0.64

Measure	N	Predictive Strength (adjusted correlation)	Predictive Strength (raw correlation)
SAT Tests, HSGPA, Add. Predictors	2922	0.61	0.46
SAT Tests and HSGPA	2922	0.61	0.46
SAT Tests	2922	0.56	0.38
SAT RW Section	2922	0.56	0.37
SAT Math Section	2922	0.48	0.19
High School GPA	2922	0.44	0.34
InterviewScore	2922	0.28	0.15

Statistic or Predictor	SAT Model	SAT and HS GPA Model	SAT, HS GPA, and Add. Predictors Model
N	2,922	2,922	2,922
Raw Multiple Correlation	0.38	0.46	0.46
Corrected Multiple Correlation	0.56	0.61	0.61
Standard Error	0.46	0.44	0.44
Constant	1.05546	-0.26861	-0.35047
SAT RW Section	0.00266	0.00231	0.00221
SAT Math Section	0.00058	0.00031	0.00032
High School GPA		0.47683	0.47830
InterviewScore			0.01569

Type	Measure Name	Female N	Female Mean (SD)	Male N	Male Mean (SD)
College Outcome	Cumulative GPA through first year	1,456	3.13 (0.50)	1,466	3.14 (0.49)
High School GPA	High School GPA	1,456	3.61 (0.28)	1,466	3.61 (0.27)
SAT Test Score	SAT RW Section	1,456	639 (63)	1,466	639 (64)
SAT Test Score	SAT Math Section	1,456	661 (73)	1,466	658 (71)
SAT Test Score	SAT Total score	1,456	1301 (110)	1,466	1297 (110)
Add. Predictor	InterviewScore	1,456	8.68 (1.18)	1,466	8.67 (1.20)

Type	Measure Name	African American N	African American Mean (SD)	Asian N	Asian Mean (SD)	Hispanic N	Hispanic Mean (SD)	Other N	Other Mean (SD)	White N	White Mean (SD)
College Outcome	Cumulative GPA through first year	146	2.89 (0.47)	798	3.10 (0.51)	305	3.01 (0.49)	151	3.07 (0.52)	1,475	3.21 (0.46)
High School GPA	High School GPA	146	3.51 (0.28)	798	3.63 (0.25)	305	3.57 (0.26)	151	3.58 (0.30)	1,475	3.62 (0.28)
SAT Test Score	SAT RW Section	146	608 (53)	798	634 (72)	305	618 (48)	151	641 (66)	1,475	650 (60)
SAT Test Score	SAT Math Section	146	603 (60)	798	707 (63)	305	624 (60)	151	649 (74)	1,475	647 (66)
SAT Test Score	SAT Total score	146	1211 (87)	798	1342 (105)	305	1242 (88)	151	1290 (118)	1,475	1297 (107)
Add. Predictor	InterviewScore	146	8.37 (1.32)	798	8.73 (1.21)	305	8.47 (1.14)	151	8.51 (1.26)	1,475	8.74 (1.17)

Type	Measure Name	Commuter N	Commuter Mean (SD)	Non-commuter N	Non-commuter Mean (SD)
College Outcome	Cumulative GPA through first year	884	3.18 (0.48)	2,038	3.11 (0.50)
High School GPA	High School GPA	884	3.64 (0.28)	2,038	3.60 (0.27)
SAT Test Score	SAT RW Section	884	648 (60)	2,038	635 (65)
SAT Test Score	SAT Math Section	884	653 (69)	2,038	662 (73)
SAT Test Score	SAT Total score	884	1301 (110)	2,038	1297 (110)
Add. Predictor	InterviewScore	884	8.74 (1.22)	2,038	8.65 (1.18)

Statistic or Predictor	SAT Model	SAT and HS GPA Model	SAT, HS GPA, and Add. Predictors Model
N	884	884	884
Raw Multiple Correlation	0.43	0.50	0.51
Corrected Multiple Correlation	0.64	0.68	0.68
Standard Error	0.43	0.41	0.41
Constant	0.76817	-0.50726	-0.61127
SAT RW Section	0.00285	0.00253	0.00237
SAT Math Section	0.00087	0.00046	0.00045
High School GPA		0.48003	0.48145
InterviewScore			0.02405

Statistic or Predictor	SAT Model	SAT and HS GPA Model	SAT, HS GPA, and Add. Predictors Model
N	2,038	2,038	2,038
Raw Multiple Correlation	0.35	0.43	0.43
Corrected Multiple Correlation	0.53	0.58	0.58
Standard Error	0.47	0.45	0.45
Constant	1.19042	-0.14152	-0.20421
SAT RW Section	0.00251	0.00220	0.00213
SAT Math Section	0.00049	0.00026	0.00027
High School GPA		0.46884	0.47019
InterviewScore			0.01108