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NAEP Analysis and Scaling → Estimation of Population and Student Group Distributions → Examining the Population-Structure Models Used in NAEP → Proportion of Variance of the Group-Defining Contrasts Accounted for by the Principal Components Used in NAEP Student Group Distribution Models → Proportion of Variance of the Group-Defining Contrasts Accounted for by the Principal Components Used in the Population-Structure Model, Grade 8 U.S. History National Main Assessment (Accommodations Permitted): 2001
NAEP Technical DocumentationProportion of variance of the group-defining contrasts accounted for by the principal components used in the population-structure model, grade 8 U.S. history national main assessment (accommodations permitted [R3]): 2001
Group-defining contrast Proportion of variance
Female 0.94
Black 0.96
Hispanic 0.96
Asian 0.95
Mexican 0.95
Puer Ric 0.97
Cubn,Oth 0.98
Hisp-? 0.98
MID CTY7 0.94
FR/LCTY7 0.95
FR/MCTY7 0.95
LAR TWN7 0.93
SML TWN7 0.96
Other 0.96
HS Grad 0.96
Post HS 0.96
COL Grad 0.96
PARED-? 0.96
S East 0.91
Central 0.90
West 0.91
Private 0.96
Catholic 0.94
Modage 0.99
Above 0.99
Black 0.89
Hispanic 0.83
Asian 0.84
IEP-NO 0.98
LEP-NO 0.89
Title-N 0.85
RED PRIC 0.93
Free 0.76
Info N/A 0.86
SCH/REF 0.89
SCH/NP 0.89
TVLIN-0 0.98
TV-QUAD 0.98
NO ACCOM 0.97
BIL.DICT 0.97
LRG.PRT 0.98
EXT.TIME 0.95
READALOU 0.97
SMALLGRP 0.96
1 ON 1 0.97
SCRIBE 0.91
O.RELIG 0.92
Course1 0.96
Course2 0.95
Course3 0.97
COURMISS 0.92
G/R 22 0.89
G/R 23 0.90
G/R 24 0.94
G/T 22 0.68
G/T 23 0.76
G/T 24 0.67
G/T 25 0.94
G/T 26 0.70
G/T 27 0.70
G/P 22 0.91
G/P 23 0.93
G/P 24 0.84
G/P 25 0.85
G/S 22 0.93
G/S 23 0.92
R/T 24 0.91
R/T 25 0.90
R/T 26 0.90
R/T 27 0.93
R/T 31 0.91
R/T 32 0.91
R/T 33 0.91
R/T 34 0.90
R/T 35 0.90
R/T 36 0.96
R/T 37 0.92
R/T 41 0.91
R/T 42 0.90
R/T 43 0.92
R/T 44 0.92
R/T 45 0.92
R/T 46 0.94
R/T 47 0.94
R/P 24 0.89
R/P 25 0.90
R/P 31 0.89
R/P 32 0.86
R/P 33 0.90
R/P 34 0.90
R/P 35 0.90
R/P 41 0.86
R/P 42 0.96
R/P 43 0.95
R/P 44 0.94
R/P 45 0.92
R/S 31 0.97
R/S 32 0.96
R/S 33 0.95
R/S 41 0.95
R/S 42 0.96
R/S 43 0.96
P/T 25 0.81
P/T 26 0.81
P/T 27 0.77
P/T 31 0.94
P/T 32 0.80
P/T 33 0.79
P/T 34 0.80
P/T 35 0.80
P/T 36 0.78
P/T 37 0.94
P/T 41 0.81
P/T 42 0.79
P/T 43 0.79
P/T 44 0.77
P/T 45 0.78
P/T 46 0.95
P/T 47 0.79
P/T 51 0.79
P/T 52 0.82
P/T 53 0.82
P/T 54 0.82
P/T 55 0.95
P/T 56 0.85
P/T 57 0.84
T/S 41 0.94
T/S 42 0.94
T/S 43 0.95
T/S 51 0.94
T/S 52 0.96
T/S 53 0.95
T/S 61 0.95
T/S 62 0.96
T/S 63 0.95
T/S 71 0.96
T/S 72 0.94
T/S 73 0.96
P/S 32 0.92
P/S 33 0.92
P/S 41 0.91
P/S 42 0.90
P/S 43 0.91
P/S 51 0.91
P/S 52 0.92
P/S 53 0.93
A/G 22 0.82
A/R 22 0.90
A/R 23 0.91
A/R 24 0.94
A/T 22 0.87
A/T 23 0.89
A/T 24 0.91
A/T 25 0.95
A/T 26 0.92
A/T 27 0.91
A/P 22 0.82
A/P 23 0.86
A/P 24 0.85
A/P 25 0.79
A/S 22 0.96
A/S 23 0.96
A/I 22 0.98
A/L 22 0.92
G/C 22 0.93
G/C 23 0.93
G/C 24 0.94
G/C 25 0.90
R/C 24 0.90
R/C 25 0.89
R/C 31 0.89
R/C 32 0.85
R/C 33 0.90
R/C 34 0.89
R/C 35 0.90
R/C 41 0.84
R/C 42 0.94
R/C 43 0.94
R/C 44 0.95
R/C 45 0.92
P/C 25 0.80
P/C 31 0.81
P/C 32 0.80
P/C 33 0.92
P/C 34 0.80
P/C 35 0.82
P/C 41 0.81
P/C 42 0.92
P/C 43 0.79
P/C 44 0.78
P/C 45 0.80
P/C 51 0.93
P/C 52 0.81
P/C 53 0.84
P/C 54 0.82
P/C 55 0.88
C/T 25 0.80
C/T 26 0.80
C/T 27 0.81
C/T 31 0.96
C/T 32 0.82
C/T 33 0.81
C/T 34 0.82
C/T 35 0.81
C/T 36 0.81
C/T 37 0.95
C/T 41 0.82
C/T 42 0.82
C/T 43 0.82
C/T 44 0.81
C/T 45 0.81
C/T 46 0.96
C/T 47 0.81
C/T 51 0.80
C/T 52 0.93
C/T 53 0.93
C/T 54 0.94
C/T 55 0.97
C/T 56 0.95
C/T 57 0.94
S/C 23 0.93
S/C 24 0.94
S/C 25 0.93
S/C 31 0.95
S/C 32 0.92
S/C 33 0.93
S/C 34 0.92
S/C 35 0.94
A/C 22 0.87
A/C 23 0.86
A/C 24 0.89
A/C 25 0.92
SAMP S3 0.86
S/R 22 0.90
S/R 23 0.90
S/R 24 0.95
RPT NO 0.98
B008201B 0.94
B008201C 0.93
B008201D 0.94
B008201E 0.96
B008201F 0.98
B008201G 0.97
B008201M 0.70
B017001B 0.87
B017001I 0.86
B017001M 0.82
B000905N 0.92
B000905I 0.93
B000905M 0.71
B013801B 0.97
B013801C 0.96
B013801D 0.95
B013801M 0.80
B017101B 0.75
B017101M 0.95
B017201B 0.82
B017201I 0.94
B017201M 0.77
B017301B 0.78
B017301I 0.94
B017301M 0.83
B017401B 0.92
B017401C 0.93
B017401D 0.95
B017401E 0.92
B017401M 0.81
B017601B 0.96
B017601C 0.97
B017601D 0.95
B017601M 0.88
B017701B 0.93
B017701C 0.92
B017701M 0.87
B017801B 0.93
B017801C 0.88
B017801D 0.93
B017801E 0.87
B017801M 0.81
B017901B 0.88
B017901C 0.86
B017901D 0.86
B017901M 0.88
B018001B 0.91
B018001C 0.94
B018001D 0.94
B018001E 0.89
B018001M 0.84
B018101B 0.84
B018101C 0.87
B018101D 0.92
B018101E 0.95
B018101M 0.82
B003501B 0.84
B003501C 0.86
B003501D 0.88
B003501I 0.82
B003501M 0.90
B003601B 0.90
B003601C 0.89
B003601D 0.89
B003601I 0.82
B003601M 0.90
B018201B 0.93
B018201C 0.90
B018201D 0.82
B018201M 0.78
B019001B 0.91
B019001C 0.86
B019001D 0.91
B019001E 0.78
B019001M 0.85
B019101B 0.91
B019101C 0.89
B019101D 0.94
B019101E 0.72
B019101M 0.86
B019201B 0.90
B019201C 0.94
B019201D 0.95
B019201E 0.94
B019201M 0.87
B019301B 0.88
B019301C 0.90
B019301D 0.95
B019301E 0.97
B019301M 0.73
B020501B 0.95
B020501C 0.96
B020501D 0.96
B020501M 0.84
B020502B 0.94
B020502C 0.94
B020502D 0.94
B020502M 0.66
B020503B 0.90
B020503C 0.90
B020503D 0.92
B020503M 0.66
B020504B 0.90
B020504C 0.89
B020504D 0.92
B020504M 0.67
B020505B 0.93
B020505C 0.92
B020505D 0.92
B020505M 0.72
B020506B 0.96
B020506C 0.96
B020506D 0.96
B020506M 0.66
B020507B 0.95
B020507C 0.96
B020507D 0.94
B020507M 0.71
B020508B 0.94
B020508C 0.94
B020508D 0.91
B020508M 0.73
B020509B 0.94
B020509C 0.94
B020509D 0.88
B020509M 0.77
B020601B 0.89
B020601C 0.92
B020601D 0.91
B020601E 0.79
B020601M 0.81
B020602B 0.88
B020602C 0.87
B020602D 0.84
B020602E 0.82
B020602M 0.86
B020603B 0.88
B020603C 0.87
B020603D 0.81
B020603E 0.83
B020603M 0.82
B020701B 0.97
B020701C 0.98
B020701D 0.98
B020701E 0.98
B020701M 0.79
B020801B 0.93
B020801C 0.92
B020801D 0.91
B020801M 0.85
B020802B 0.90
B020802C 0.88
B020802D 0.89
B020802M 0.86
B020803B 0.90
B020803C 0.90
B020803D 0.87
B020803M 0.83
B020804B 0.90
B020804C 0.91
B020804D 0.86
B020804M 0.77
B020805B 0.94
B020805C 0.93
B020805D 0.92
B020805M 0.81
B020806B 0.91
B020806C 0.89
B020806D 0.88
B020806M 0.85
B020807B 0.89
B020807C 0.90
B020807D 0.88
B020807M 0.86
H803301N 0.79
H803301I 0.86
H803301M 0.74
H803302N 0.79
H803302I 0.83
H803302M 0.75
H803401N 0.71
C046201M 0.88
C046202M 0.97
C046203M 0.98
C046204M 0.98
C046206M 0.98
C046207M 0.95
C046208M 0.91
C046209M 0.91
C046210M 0.94
C046211M 0.93
C046212M 0.96
C046213M 0.95
C046301B 0.93
C046301I 0.91
C046301M 0.94
C046302B 0.89
C046302I 0.90
C046302M 0.93
C046303B 0.89
C046303I 0.90
C046303M 0.91
C046304B 0.89
C046304I 0.90
C046304M 0.94
C038101A 0.89
C038101M 0.90
C046501B 0.89
C046501C 0.91
C046501D 0.92
C046501E 0.90
C046501F 0.89
C046501G 0.90
C046501M 0.94
C038301N 0.89
C038301M 0.95
C043801B 0.90
C043801C 0.89
C043801D 0.91
C043801E 0.92
C043801F 0.91
C043801G 0.90
C043801H 0.89
C043801M 0.90
C046610B 0.93
C046610M 0.95
C046701B 0.90
C046701C 0.89
C046701D 0.88
C046701E 0.90
C046701F 0.90
C046701G 0.89
C046701H 0.92
C046701M 0.93
C044004B 0.90
C044004C 0.91
C044004D 0.90
C044004E 0.92
C044004F 0.88
C044004M 0.92
C046702B 0.90
C046702C 0.90
C046702D 0.91
C046702E 0.91
C046702G 0.90
C046702H 0.89
C046702M 0.95
C046703B 0.90
C046703C 0.91
C046703D 0.92
C046703E 0.92
C046703F 0.91
C046703H 0.91
C046703M 0.95
C044007B 0.90
C044007C 0.93
C044007D 0.94
C044007E 0.89
C044007F 0.93
C044007M 0.93
C047401A 0.90
C047401M 0.88
C047501B 0.91
C047501C 0.90
C047501D 0.90
C047501E 0.91
C047501F 0.92
C047501G 0.90
C047501H 0.89
C047501M 0.95
C047601B 0.92
C047601M 0.92
C047701B 0.88
C047701M 0.94
C047702B 0.90
C047702M 0.93
C047801B 0.88
C047801C 0.90
C047801D 0.93
C047801E 0.93
C047801F 0.94
C047801M 0.91
C047802B 0.89
C047802C 0.88
C047802D 0.89
C047802E 0.87
C047802F 0.89
C047802M 0.93
C047803B 0.92
C047803C 0.91
C047803D 0.90
C047803E 0.90
C047803F 0.89
C047803M 0.94
C047901B 0.90
C047901C 0.91
C047901D 0.90
C047901E 0.91
C047901F 0.90
C047901M 0.93
C047902B 0.90
C047902C 0.92
C047902D 0.91
C047902E 0.91
C047902F 0.92
C047902M 0.92
C047903B 0.90
C047903C 0.89
C047903D 0.89
C047903E 0.90
C047903F 0.90
C047903M 0.94
C048101B 0.93
C048101I 0.89
C048101M 0.96
C048201B 0.89
C048201I 0.89
C048201M 0.98
C048202B 0.89
C048202I 0.90
C048202M 0.99
C048203B 0.87
C048203I 0.91
C048203M 0.98
C048204B 0.92
C048204I 0.90
C048204M 0.99
C048205B 0.92
C048205I 0.90
C048205M 0.99
C048206B 0.89
C048206I 0.88
C048207B 0.90
C048207I 0.90
C048207M 0.99
C048301B 0.91
C048301C 0.92
C048301D 0.92
C048301M 0.96
C048302B 0.91
C048302C 0.91
C048302D 0.91
C048302M 0.97
C048303B 0.90
C048303C 0.89
C048303D 0.89
C048303M 0.95
C048304B 0.91
C048304C 0.91
C048304D 0.88
C048304M 0.96
C048305B 0.91
C048305C 0.91
C048305D 0.90
C048305M 0.97
C048401B 0.89
C048401M 0.99
C048402B 0.88
C048402M 0.93
C048403B 0.89
C048403M 0.97
C048404B 0.85
C048404M 0.98
C048405B 0.88
C048405M 0.98
C048406B 0.88
C048406M 0.97
C048407B 0.89
C048407M 0.95
C048408B 0.88
C048409B 0.88
C048410B 0.86
C048501B 0.89
C048501M 0.95
C048502B 0.88
C048502M 0.96
C048503B 0.90
C048503M 0.96
C048504B 0.87
C048504M 0.95
C048505B 0.91
C048505M 0.96
C048601B 0.92
C048601M 0.98
C048602B 0.91
C048603B 0.88
C048603M 0.98
C048701B 0.89
C048702B 0.88
C048702M 0.96
C048703B 0.88
C048703M 0.97
C048704B 0.88
C048704M 0.95
C046901M 0.89
C046902M 0.89
C046903M 0.90
C046904M 0.90
C046905M 0.90
C046906M 0.90
C046907M 0.92
C046908M 0.88
C046909M 0.87
C046910M 0.93
C046911M 0.92
C046912M 0.89
C046913M 0.88
C046914M 0.90
C046915M 0.91
T077101A 0.92
T077101M 0.95
T077201B 0.88
T077201C 0.86
T077201D 0.86
T077201E 0.89
T077201F 0.88
T077201M 0.92
T077301B 0.88
T077301N 0.86
T077301M 0.90
T077302B 0.91
T077302N 0.93
T077302M 0.92
T077303B 0.88
T077303N 0.87
T077303M 0.90
T077304B 0.89
T077304N 0.90
T077304M 0.91
T077401B 0.88
T077401N 0.90
T077401M 0.90
T077402B 0.88
T077402N 0.95
T077402M 0.96
T077403B 0.87
T077403N 0.92
T077403M 0.92
T077404B 0.87
T077404N 0.93
T077404M 0.93
T077501N 0.85
T077501M 0.94
T077502N 0.84
T077502M 0.97
T077503N 0.85
T077503M 0.96
T077504N 0.86
T077504M 0.92
T077505N 0.83
T077505M 0.97
T077506N 0.85
T077506M 0.96
T077507N 0.82
T077507M 0.96
T077508N 0.86
T077508M 0.95
T077509N 0.84
T077509M 0.97
T077510N 0.86
T077510M 0.98
T077601N 0.84
T077601M 0.97
T077701B 0.91
T077701C 0.89
T077701D 0.87
T077701E 0.90
T077701M 0.96
T077801N 0.90
T077801M 0.95
T077802N 0.91
T077802M 0.95
T077803N 0.90
T077803M 0.94
T077901B 0.88
T077901C 0.89
T077901D 0.86
T077901E 0.88
T077901M 0.95
T077902B 0.89
T077902C 0.90
T077902D 0.87
T077902E 0.90
T077902M 0.94
T077903B 0.88
T077903C 0.88
T077903D 0.87
T077903E 0.89
T077903M 0.94
T077904B 0.87
T077904C 0.87
T077904D 0.87
T077904E 0.87
T077904M 0.94
T078001N 0.87
T078001M 0.95
T078101B 0.88
T078101C 0.89
T078101D 0.91
T078101M 0.97
T078102B 0.89
T078102C 0.87
T078102D 0.89
T078102M 0.98
T078103B 0.90
T078103C 0.90
T078103D 0.89
T078103M 0.97
T078201B 0.90
T078201C 0.93
T078201D 0.90
T078201M 0.98
T078301B 0.91
T078301C 0.93
T078301D 0.89
T078301E 0.89
T078401A 0.91
T078401M 0.98
T078501A 0.89
T078501M 0.96
T078601A 0.88
T078601M 0.97
T078701B 0.85
T078701C 0.85
T078701D 0.88
T078701M 0.97
T078702B 0.89
T078702C 0.91
T078702D 0.87
T078702M 0.97
T078703B 0.88
T078703C 0.87
T078703D 0.87
T078703M 0.97
T078801B 0.89
T078801C 0.91
T078801D 0.87
T078801E 0.98
T078801M 0.97
T078802B 0.89
T078802C 0.90
T078802D 0.87
T078802E 0.97
T078803B 0.88
T078803C 0.90
T078803D 0.89
T078803E 0.98
T078803M 0.97
T078804B 0.88
T078804C 0.92
T078804D 0.91
T078804E 0.97
T078804M 0.96
T078805B 0.89
T078805C 0.91
T078805D 0.88
T078805E 0.94
T078805M 0.95
T082101M 0.89
T082102M 0.90
T082103M 0.87
T082201M 0.89
T082202M 0.91
T082203M 0.86
T082301M 0.88
T082302M 0.91
T082303M 0.90
T082401M 0.90
T082402M 0.90
T082403M 0.87
T082501M 0.87
T082502M 0.90
T082503M 0.90
T082601M 0.87
T082602M 0.91
T082603M 0.90
T082701M 0.87
T082702M 0.91
T082703M 0.92
T082801M 0.87
T082802M 0.91
T082803M 0.92
T082901M 0.87
T082902M 0.91
T082903M 0.93
T079001B 0.90
T079001C 0.90
T079001D 0.90
T079001E 0.88
T079001F 0.87
T079001G 0.87
T079001M 0.95
T079101B 0.89
T079101C 0.91
T079101D 0.90
T079101I 0.88
T079101M 0.97
T079102B 0.88
T079102C 0.91
T079102D 0.90
T079102I 0.87
T079102M 0.97
T079103B 0.89
T079103C 0.88
T079103D 0.91
T079103I 0.89
T079103M 0.97
T079104B 0.88
T079104C 0.88
T079104D 0.92
T079104I 0.89
T079104M 0.96
T081601B 0.85
T081601C 0.85
T081601D 0.90
T081601M 0.98
T081602B 0.90
T081602C 0.92
T081602D 0.89
T081602M 0.98
T081603B 0.89
T081603C 0.93
T081603D 0.90
T081603M 0.97
T081604B 0.85
T081604C 0.95
T081604D 0.92
T081604M 0.97
T081701B 0.89
T081701C 0.91
T081701D 0.88
T081701M 0.98
T081701B 0.89
T081701C 0.94
T081701D 0.93
T081702M 0.98
T081703B 0.87
T081703C 0.91
T081703D 0.90
T081703M 0.98
T081704B 0.88
T081704C 0.93
T081704D 0.93
T081704M 0.98
T081801B 0.86
T081801C 0.86
T081801D 0.86
T081801E 0.89
T081801M 0.98
T080201B 0.86
T080201C 0.88
T080201D 0.88
T080201M 0.96
T080202B 0.88
T080202C 0.89
T080202D 0.87
T080202M 0.96
T080203B 0.89
T080203C 0.91
T080203D 0.90
T080203M 0.97
T080204B 0.86
T080204C 0.89
T080204D 0.87
T080204M 0.96
T080301B 0.91
T080301C 0.92
T080301D 0.87
T080301M 0.94
T080302B 0.89
T080302C 0.90
T080302D 0.88
T080302M 0.96
T080303B 0.87
T080303C 0.89
T080303D 0.88
T080303M 0.95
TCHMTCHB 0.94
TCHMTCHC 0.98
T080401A 0.92
T080401M 0.96
T081501B 0.88
T081501C 0.89
T081501D 0.87
T081501M 0.96
T081502B 0.87
T081502C 0.88
T081502D 0.89
T081502M 0.98
T081503B 0.87
T081503C 0.89
T081503D 0.85
T081503M 0.95
T080701A 0.82
T080701M 0.95
T080702A 0.86
T080702M 0.91
T080703A 0.91
T080703M 0.91
T080501B 0.87
T080501C 0.87
T080501M 0.96
T080601B 0.86
T080601C 0.88
T080601M 0.95
T080801B 0.87
T080801C 0.86
T080801M 0.95
T080901B 0.90
T080901C 0.93
T080901D 0.93
T080901M 0.94
T081001B 0.87
T081001C 0.86
T081001D 0.90
T081001E 0.91
T081001F 0.92
T081001M 0.98
T081101B 0.92
T081101C 0.93
T081101D 0.87
T081101E 0.87
T081101F 0.89
T081101M 0.97
T081201B 0.89
T081201C 0.90
T081201D 0.94
T081201E 0.88
T081201M 0.97
T081301B 0.85
T081301C 0.83
T081301D 0.89
T081301M 0.96
T081302B 0.92
T081302C 0.94
T081302D 0.89
T081302M 0.97
T081401B 0.87
T081401C 0.89
T081401D 0.89
T081401M 0.98
T081402B 0.89
T081402C 0.89
T081402D 0.87
T081402M 0.98
T081403B 0.85
T081403C 0.88
T081403D 0.85
T081403M 0.97
T081404B 0.88
T081404C 0.92
T081404D 0.90
T081404M 0.97
T081405B 0.84
T081405C 0.86
T081405D 0.88
T081405M 0.97
T081406B 0.86
T081406C 0.87
T081406D 0.87
T081406M 0.97
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2001 U.S. History Assessment.
Last updated 31 January 2008 (GF)

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