Read The Bell Curve: Intelligence and Class Structure in American Life Online

Authors: Richard J. Herrnstein,Charles A. Murray

Tags: #History, #Science, #General, #Psychology, #Sociology, #Genetics & Genomics, #Life Sciences, #Social Science, #Educational Psychology, #Intelligence Levels - United States, #Nature and Nurture, #United States, #Education, #Political Science, #Intelligence Levels - Social Aspects - United States, #Intellect, #Intelligence Levels

The Bell Curve: Intelligence and Class Structure in American Life (103 page)

BOOK: The Bell Curve: Intelligence and Class Structure in American Life
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Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
−2.3548461
0.0653867
1297
0.0000
zAFQT89
−0.4325254
0.0851185
25.82
0.0000
zSES
−0.6082151
0.0837515
52.74
0.0000
zAge−
0.0416441
0.0662445
0.40
0.5296

DEPENDENT VARIABLE:
Received a bachelor’s degree.

SAMPLE RESTRICTIONS:
Excludes those who had less than a bachelor’s degree and were in postsecondary education in either the 1989 or 1990 interview.

Basic Analysis:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
807.9072
1615.814
0.000000
Error
3817
1364.3417
 
 
C Total
3820
2172.2489
 
 
 
RSquare (U)
0.3719
 
 
Observations
3821

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
−2.41992250
0.0786991
945.50
0.0000
zAFQT89
+1.80771403
0.0795537
516.34
0.0000
zSES
+1.04818417
0.0690372
230.52
0.0000
zAge
−0.29777760
0.0516373
33.25
0.0000
CHAPTER 7: UNEMPLOYMENT, IDLENESS, AND INJURY
 

DEPENDENT VARIABLE:
Out of the labor force for four weeks or more in 1989.

SAMPLE RESTRICTIONS:
Civilian males who did not respond “unable to work” or “in school” to the question on labor force participation in the 1989 or 1990 interview.

Basic Analysis:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
9.44293
18.88586
0.000289
Error
1682
548.25144
 
 
C Total
1685
557.69437
 
 
 
RSquare (U)
0.0169
 
 
Observations
1686
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
−2.20264085
0.0868001
643.94
0.0000
zAFQT89
−0.36246881
0.0992802
13.33
0.0003
zSES
+0.21788340
0.1075722
4.10
0.0428
zAge
−0.12815393
0.0864018
2.20
0.1380
The High School Sample:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
4.45831
8.916625
0.030420
Error
617
156.98046
 
 
C Total
620
161.43878
 
 
 
RSquare (U)
0.0276
 
 
Observations
621
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
−2.69780012
0.1767563
232.95
0.0000
zAFQT89
−0.42151253
0.2264362
3.47
0.0627
zSES
+0.56489480
0.230053
6.03
0.0141
zAge
−0.14556950
0.1672623
0.76
0.3841
The College Sample:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
6.794337
13.58867
0.003522
Error
264
56.536860
 
 
C Total
267
63.331196
 
 
 
RSquare (U)
0.1073
 
 
Observation
268
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>Sq
Intercept
−3.12957075
0.6081769
26.48
0.0000
zAFQT89
−0.84324247
0.4526768
3.47
0.0625
zSES
+0.94514750
0.3875388
5.95
0.0147
zAge
−0.46061574
0.299044
2.37
0.1235

DEPENDENT VARIABLE:
Unemployed for four weeks or more in 1989.

SAMPLE RESTRICTIONS:
Civilian males who did not respond “unable to work” or “in school” to the question on labor force participation in the 1989 or 1990 interview and were in the labor force throughout 1989.

Basic Analysis:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
11.30841
22.61682
0.000049
Error
1393
348.71511
 
 
C Total
1396
360.02353
 
 
 
RSquare(U)
0.0314
 
 
Observations
1397
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
−2.53577016
0.1076083
555.30
0.0000
zAFQT89
−0.49486463
0.1298967
14.51
0.0001
zSES
−0.02534849
0.1383889
0.03
0.8547
zAge
−0.02181428
0.1108396
0.04
0.8440
The High School Sample:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
1.86533
3.730657
0.292056
Error
533
140.49123
 
 
C Total
536
142.35656
 
 
 
RSquare(U)
0.0131
 
 
Observations
537

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
−2.59878187
0.1766146
216.51
0.0000
zAFQT89
−039353140
0.2368752
2.76
0.0966
zSES
+0.13951940
0.2353179
0.35
0.5532
zAge
−0.10510566
0.1762471
0.36
0.5509
The College Sample:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
3.570096
7.140193
0.067561
Error
224
40.506133
 
 
C Total
227
44.076230
 
 
 
RSquare (U)
0.0810
 
 
Observations
228
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
−3.1686886
0.7276735
18.96
0.0000
zAFQT89
−0.9196886
0.5641635
2.66
0.1031
zSES
+1.0039255
0.5015717
4.01
0.0453
zAge
+0.2941965
0.3311174
0.79
0.3743
CHAPTER 8: FAMILY MATTERS
 

DEPENDENT VARIABLE:
Ever married before the age of 30.

SAMPLE RESTRICTIONS:
Persons who turned thirty by the 1990 interview.

Basic Analysis:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
6.43345
12.8669
0.004933
Error
1630
839.76747
 
 
C Total
1633
846.20092
 
 
 
RSquare (U)
0.0076
 
 
Observations
1634
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
+1.19841361
0.128902
86.44
0.0000
zAFQT89
−0.0473587
0.0757854
0.39
0.5320
zSES
−0.1905526
0.0786307
5.87
0.0154
zAge
+0.20403379
0.1290545
2.50
0.1139
The High School Sample:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
6.92871
13.857
0.003106
Error
601
259.40296
 
 
C Total
604
266.33168
 
 
 
RSquare (U)
0.0260
 
 
Observations
605
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
+1.41494853
0.2342703
36.48
0.0000
zAFQT89
+0.51424443
0.1598383
10.35
0.0013
zSES
−0.1128845
0.1582799
.51
0.4757
zAge
+0.36827169
0.2422543
2.31
0.1285
The College Sample:
 

Whole-Model Test

Source
DF
-LogLikelihood
ChiSquare
Prob>ChiSq
Model
3
0.17181
0.343616
0.951627
Error
233
145.35748
 
 
C Total
236
145.52929
 
 
 
RSquare (U)
0.0012
 
 
Observations
237
 

Parameter Estimates

Term
Estimate
Std Error
ChiSquare
Prob>ChiSq
Intercept
+0.71372375
0.3946174
3.27
0.0705
zAFQT89
+0.05013859
0.2237528
0.05
0.8227
zSES
+0.0968295
0.1833680
0.28
0.5975
zAge
−0.0177807
0.2950863
0.00
0.9520
BOOK: The Bell Curve: Intelligence and Class Structure in American Life
9.05Mb size Format: txt, pdf, ePub
ads

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