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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 12 Science National Main Assessment (Accommodations Not Permitted): 2000

NAEP Technical DocumentationProportion of variance of the group-defining contrasts accounted for by the principal components used in the population-structure model, grade 12 science national main assessment (accommodations not permitted [R2]): 2000

Group-defining contrast	Proportion of variance
Female	0.93
Black	0.96
Hispanic	0.96
Asian	0.95
Mexican	0.92
Puer Ric	0.93
Cubn,Oth	0.95
Hisp-?	0.85
MID CTY7	0.92
FR/LCTY7	0.93
FR/MCTY7	0.95
LAR TWN7	0.96
SML TWN7	0.95
Other	0.95
HS Grad	0.94
Post HS	0.95
COL Grad	0.96
PARED-?	0.93
S East	0.89
Central	0.90
West	0.92
Private	0.93
Catholic	0.93
Modage	0.98
Above	0.99
Black	0.90
Hispanic	0.83
Asian	0.85
IEP-NO	0.88
LEP-NO	0.77
Title-N	0.86
RED PRIC	0.94
Free	0.77
Info N/A	0.88
SCH/REF	0.89
SCH/NP	0.81
TVLIN-0	0.98
TV-QUAD	0.98
HW-NO	0.96
HW-YES	0.97
HWLIN-0	0.93
HWQUAD-0	0.89
HITEM=3	0.91
PGS>5	0.83
PGS>10	0.84
O.RELIG	0.88
NONSECT	0.88
LUTHERAN	0.98
G/R 22	0.91
G/R 23	0.91
G/R 24	0.95
G/T 22	0.72
G/T 23	0.72
G/T 24	0.70
G/T 25	0.92
G/T 26	0.70
G/T 27	0.70
G/P 22	0.88
G/P 23	0.91
G/P 24	0.85
G/P 25	0.86
G/S 22	0.93
G/S 23	0.93
R/T 24	0.89
R/T 25	0.90
R/T 26	0.91
R/T 27	0.96
R/T 31	0.89
R/T 32	0.93
R/T 33	0.91
R/T 34	0.91
R/T 35	0.92
R/T 36	0.96
R/T 37	0.92
R/T 41	0.93
R/T 42	0.90
R/T 43	0.90
R/T 44	0.93
R/T 45	0.94
R/T 46	0.93
R/T 47	0.94
R/P 24	0.88
R/P 25	0.90
R/P 31	0.90
R/P 32	0.81
R/P 33	0.88
R/P 34	0.89
R/P 35	0.89
R/P 41	0.83
R/P 42	0.93
R/P 43	0.94
R/P 44	0.92
R/P 45	0.87
R/S 31	0.96
R/S 32	0.96
R/S 33	0.96
R/S 41	0.94
R/S 42	0.96
R/S 43	0.96
P/T 25	0.78
P/T 26	0.74
P/T 27	0.76
P/T 31	0.95
P/T 32	0.75
P/T 33	0.73
P/T 34	0.78
P/T 35	0.74
P/T 36	0.77
P/T 37	0.93
P/T 41	0.77
P/T 42	0.76
P/T 43	0.83
P/T 44	0.80
P/T 45	0.82
P/T 46	0.94
P/T 47	0.81
P/T 51	0.80
P/T 52	0.82
P/T 53	0.81
P/T 54	0.82
P/T 55	0.91
P/T 56	0.79
P/T 57	0.82
T/S 41	0.93
T/S 42	0.91
T/S 43	0.93
T/S 51	0.93
T/S 52	0.94
T/S 53	0.94
T/S 61	0.97
T/S 62	0.97
T/S 63	0.95
T/S 71	0.96
P/S 32	0.93
P/S 33	0.91
P/S 41	0.92
P/S 42	0.91
P/S 43	0.93
P/S 51	0.91
P/S 52	0.95
P/S 53	0.95
SAMP S3	0.87
S/R 22	0.90
S/R 23	0.90
S/R 24	0.94
ARPT NO	0.88
Black	0.94
Hispanic	0.94
Asian AM	0.93
AMER IND	0.98
Other	0.94
B003001M	0.76
B014601B	0.89
B014601C	0.91
B014601D	0.77
B014601M	0.88
B003201B	0.85
B003201C	0.78
B003201M	0.66
B008801B	0.92
B008801C	0.98
B008801D	0.99
B008801E	0.96
B008801M	0.92
B000901N	0.86
B000901I	0.87
B000901M	0.88
B000903N	0.90
B000903I	0.88
B000903M	0.89
B000905N	0.87
B000905I	0.90
B000905M	0.87
S004001B	0.86
S004001C	0.88
S004001D	0.92
S004001E	0.93
S004001M	0.82
B016701B	0.90
B016701C	0.91
B016701D	0.86
B016701M	0.89
B009301B	0.87
B009301C	0.89
B009301D	0.93
B009301E	0.88
B009301M	0.87
B016101N	0.74
B016101M	0.88
B009401B	0.82
B009401C	0.88
B009401D	0.84
B009401M	0.88
B008601B	0.86
B008601C	0.89
B008601D	0.90
B008601I	0.80
B008601M	0.85
B008701B	0.88
B008701C	0.88
B008701D	0.88
B008701I	0.71
B008701M	0.88
B016801B	0.90
B016801C	0.92
B016801D	0.93
B016801E	0.94
B016801F	0.95
B016801G	0.96
B016801H	0.93
B016801M	0.87
B016201B	0.91
B016201C	0.87
B016201D	0.98
B016201E	0.90
B016201I	0.94
B016201M	0.88
B005501B	0.90
B005501C	0.95
B005501D	0.91
B005501E	0.95
B005501F	0.91
B005501M	0.88
B016301B	0.96
B016301C	0.95
B016301D	0.94
B016301E	0.93
B016301F	0.93
B016301G	0.95
B016301H	0.95
B016301M	0.88
K811001B	0.85
K811001C	0.87
K811001M	0.92
K811002B	0.87
K811002C	0.83
K811002M	0.93
K811003B	0.79
K811003C	0.79
K811003M	0.88
K813001B	0.81
K813001C	0.77
K813001M	0.93
K811007B	0.83
K811007C	0.88
K811007M	0.89
K812901B	0.95
K812901C	0.94
K812901D	0.93
K812901M	0.85
K813101B	0.96
K813101C	0.96
K813101D	0.95
K813101M	0.87
K813201B	0.93
K813201C	0.95
K813201D	0.93
K813201M	0.89
K813301B	0.90
K813301C	0.92
K813301D	0.87
K813301M	0.89
K813501B	0.83
K813501C	0.87
K813501D	0.90
K813501M	0.93
K813601B	0.92
K813601C	0.93
K813601D	0.94
K813601M	0.91
K812201B	0.94
K812201C	0.96
K812201D	0.97
K812201E	0.97
K812201F	0.96
K812201G	0.91
K812201M	0.74
K811501N	0.86
K811501M	0.69
K813401Y	0.91
K813401N	0.95
K813401I	0.95
K813401M	0.80
K814001B	0.79
K814001C	0.83
K814001D	0.86
K814001M	0.91
K814101B	0.80
K814101C	0.84
K814101D	0.90
K814101M	0.93
K814201B	0.78
K814201C	0.82
K814201D	0.89
K814201M	0.93
K814301B	0.81
K814301C	0.83
K814301D	0.84
K814301M	0.93
K814401Y	0.88
K814401N	0.95
K814401D	0.87
K814401M	0.85
K814501Y	0.95
K814501N	0.95
K814501D	0.87
K814501M	0.81
K814701B	0.83
K814701C	0.83
K814701D	0.88
K814701M	0.96
K814601B	0.82
K814601C	0.94
K814601D	0.89
K814601M	0.98
K814801B	0.82
K814801C	0.82
K814801D	0.89
K814801M	0.98
K814901B	0.83
K814901C	0.92
K814901D	0.91
K814901M	0.97
K811004B	0.83
K811004C	0.78
K811004M	0.88
K812401N	0.90
K812401M	0.87
K812701N	0.93
K812701M	0.87
K811601B	0.90
K811601C	0.92
K811601D	0.85
K811601M	0.92
K811602B	0.96
K811602C	0.98
K811602D	0.96
K811602M	0.91
K811603B	0.95
K811603C	0.96
K811603D	0.94
K811603M	0.91
K811604B	0.85
K811604C	0.91
K811604D	0.80
K811604M	0.89
K811605B	0.94
K811605C	0.98
K811605D	0.97
K811605M	0.92
K811606B	0.94
K811606C	0.97
K811606D	0.94
K811606M	0.79
K811613B	0.79
K811613C	0.78
K811613D	0.82
K811613M	0.83
K811614B	0.79
K811614C	0.84
K811614D	0.82
K811614M	0.90
K811609B	0.86
K811609C	0.95
K811609D	0.89
K811609M	0.89
K811610B	0.90
K811610C	0.92
K811610D	0.79
K811610M	0.87
K811611B	0.95
K811611C	0.98
K811611D	0.96
K811611M	0.92
K811702B	0.87
K811702C	0.92
K811702D	0.84
K811702M	0.90
K811703B	0.91
K811703C	0.96
K811703D	0.90
K811703M	0.90
K811704B	0.84
K811704C	0.95
K811704D	0.87
K811704M	0.91
K811705B	0.92
K811705C	0.97
K811705D	0.94
K811705M	0.90
K811801B	0.96
K811801C	0.96
K811801M	0.88
K813701B	0.93
K813701C	0.91
K813701D	0.86
K813701E	0.94
K813701F	0.94
K813701M	0.94
K813702B	0.93
K813702C	0.95
K813702D	0.90
K813702E	0.94
K813702F	0.95
K813702M	0.94
K813703B	0.93
K813703C	0.94
K813703D	0.86
K813703E	0.85
K813703F	0.95
K813703M	0.94
K813704B	0.92
K813704C	0.93
K813704D	0.90
K813704E	0.88
K813704F	0.82
K813704M	0.76
K813705B	0.88
K813705C	0.94
K813705D	0.86
K813705E	0.93
K813705F	0.91
K813705M	0.78
K813706B	0.89
K813706C	0.87
K813706D	0.87
K813706E	0.89
K813706F	0.92
K813706M	0.90
K813707B	0.90
K813707C	0.82
K813707D	0.80
K813707E	0.90
K813707F	0.93
K813707M	0.88
K813708B	0.89
K813708C	0.77
K813708D	0.84
K813708E	0.84
K813708F	0.90
K813708M	0.90
K813709B	0.88
K813709C	0.78
K813709D	0.76
K813709E	0.83
K813709F	0.90
K813709M	0.92
K813710B	0.91
K813710C	0.75
K813710D	0.85
K813710E	0.83
K813710F	0.85
K813710M	0.89
K813711B	0.87
K813711C	0.79
K813711D	0.81
K813711E	0.83
K813711F	0.83
K813711M	0.84
K813712B	0.87
K813712C	0.95
K813712D	0.85
K813712E	0.80
K813712F	0.89
K813712M	0.86
K813713B	0.90
K813713C	0.92
K813713D	0.88
K813713E	0.91
K813713F	0.91
K813713M	0.88
K813801B	0.82
K813801C	0.92
K813801D	0.77
K813801E	0.78
K813801N	0.94
K813801M	0.88
K813901N	0.81
K813901M	0.86
X012101B	0.95
X012101D	0.87
X012101E	0.81
X012101F	0.90
X012101I	0.77
X012101K	0.84
X012101L	0.85
X012101M	0.98
X012201B	0.86
X012201C	0.92
X012201M	0.98
X012301N	0.94
X012301I	0.79
X012301M	0.99
X012401B	0.86
X012401C	0.87
X012401D	0.86
X012401I	0.81
X012401M	0.99
X012501Y	0.90
X012501N	0.84
X012501I	0.80
X012601B	0.86
X012601C	0.87
X012601D	0.82
X012601I	0.80
X012701Y	0.87
X012701N	0.84
X012801B	0.90
X012801C	0.89
X012801D	0.82
X012801I	0.80
X012901Y	0.93
X012901N	0.82
X013001N	0.91
X013001C	0.89
X013001M	0.99
X013101M	0.85
X013102M	0.83
X013104M	0.91
X013105M	0.78
X013107M	0.82
X013109M	0.78
X013203M	0.85
X013204M	0.79
X013206M	0.83
X013208M	0.74
X013211M	0.81
X013301M	0.86
X013302M	0.83
X013303M	0.76
X013401M	0.92
X013402M	0.80
X013403M	0.85
X013501B	0.93
X013501C	0.90
X013501M	0.98
X013601B	0.93
X013601M	0.98
X013701B	0.95
X013801B	0.77
X013801M	0.88
X013901B	0.91
X013901C	0.85
X013901D	0.84
X013901E	0.94
X013901I	0.92
X014001B	0.92
X014001C	0.84
X014001D	0.87
X014001E	0.96
X014001I	0.95
X014101B	0.90
X014101C	0.87
X014101D	0.87
X014101E	0.95
X014101I	0.95
X014201B	0.88
X014201C	0.86
X014201D	0.96
X014201E	0.89
X014201M	0.97
X014301B	0.92
X014301C	0.92
X014301D	0.94
X014301I	0.88
X014401B	0.88
X014401C	0.84
X014401D	0.88
X014401I	0.88
X014401M	0.98
X014501B	0.84
X014501C	0.91
X014501D	0.89
X014501I	0.90
X014601N	0.95
X014601M	0.96
X014701M	0.81
X014704M	0.80
X014706M	0.76
X014708M	0.86
X014801B	0.91
X014801C	0.84
X014801M	0.97
X014901B	0.89
X015001B	0.90
X015001M	0.97
C044601A	0.88
C044601X	0.90
C035701N	0.89
C035701M	0.93
C042802N	0.86
C042802M	0.90
C042803N	0.88
C042803M	0.92
C037701B	0.87
C037701C	0.85
C037701D	0.87
C037701M	0.98
C037702B	0.91
C037702C	0.92
C037702D	0.88
C037702M	0.98
C037703B	0.90
C037703C	0.90
C037703D	0.88
C037703M	0.97
C037704B	0.90
C037704C	0.88
C037704D	0.94
C037704M	0.98
C037705B	0.90
C037705C	0.88
C037705D	0.85
C037705M	0.99
C032402B	0.92
C032402C	0.94
C032402D	0.91
C032402M	0.96
C032401B	0.93
C032401C	0.94
C032401D	0.88
C032404B	0.93
C032404C	0.94
C032404D	0.94
C032404M	0.97
C032406B	0.93
C032406C	0.94
C032406D	0.93
C032406M	0.94
C032407B	0.89
C032407C	0.95
C032407D	0.95
C032408B	0.93
C032408C	0.95
C032408D	0.95
C032408M	0.96
C032409B	0.92
C032409C	0.93
C032409D	0.90
C032409M	0.98
C032410B	0.92
C032410C	0.94
C032410D	0.94
C032410M	0.98
C032411B	0.94
C032411C	0.94
C032411D	0.91
C032411M	0.98
C032412B	0.95
C032412C	0.95
C032412D	0.92
C032413B	0.91
C032413C	0.95
C032413D	0.95
C032413M	0.98
C032414B	0.92
C032414C	0.94
C032414D	0.90
C032414M	0.95
C032415B	0.92
C032415C	0.94
C032415D	0.91
C032415M	0.96
C043103B	0.94
C043103C	0.94
C043103D	0.96
C043104B	0.92
C043104C	0.94
C043104D	0.93
C032502B	0.90
C032502C	0.90
C032502D	0.93
C032502M	0.97
C032503B	0.91
C032503C	0.93
C032503D	0.91
C032503M	0.98
C032505B	0.91
C032505C	0.92
C032505D	0.90
C043201B	0.91
C043201C	0.91
C032506B	0.89
C032506C	0.89
C032506D	0.90
C032506M	0.99
C033601B	0.92
C033601C	0.92
C033601D	0.92
C033601M	0.98
C036501B	0.90
C036501C	0.91
C036501D	0.92
C036501M	0.96
C037801B	0.89
C037801C	0.94
C037801D	0.92
C037801E	0.91
C037801F	0.91
C037801G	0.89
C037801H	0.89
C037801M	0.95
C038001B	0.89
C038001C	0.89
C038001D	0.88
C038001E	0.90
C038001F	0.94
C038001G	0.91
C038001M	0.97
C038301N	0.88
C038301M	0.91
C043801B	0.90
C043801C	0.92
C043801D	0.93
C043801E	0.94
C043801F	0.91
C043801G	0.89
C043801H	0.91
C043801M	0.89
C043901N	0.94
C043901M	0.95
C044001B	0.88
C044001C	0.89
C044001D	0.92
C044001E	0.92
C044001F	0.92
C044001G	0.91
C044001H	0.90
C044001M	0.95
C044002B	0.93
C044002C	0.93
C044002D	0.92
C044002E	0.88
C044002F	0.89
C044002H	0.93
C044002M	0.97
C044003B	0.93
C044003C	0.93
C044003D	0.91
C044003E	0.94
C044003M	0.95
C044004B	0.92
C044004C	0.92
C044004D	0.90
C044004E	0.90
C044004F	0.85
C044004G	0.94
C044004H	0.90
C044004M	0.95
C044005B	0.90
C044005C	0.90
C044005D	0.88
C044005E	0.88
C044005F	0.89
C044005H	0.95
C044005M	0.92
C044006B	0.91
C044006C	0.90
C044006D	0.92
C044006E	0.91
C044006F	0.94
C044006M	0.94
C044007B	0.89
C044007C	0.94
C044007D	0.94
C044007E	0.91
C044007M	0.97
C044801B	0.89
C044801C	0.90
C044801D	0.90
C044801E	0.90
C044801M	0.90
C045701M	0.89
C045702M	0.91
C045703M	0.91
C045704M	0.88
C045705M	0.89
C045706M	0.90
C045707M	0.83
C045708M	0.91
C045710M	0.93
C045711M	0.86
C035002N	0.94
C035002M	0.96
C035003N	0.94
C035003M	0.95
C040201C	0.91
C040201D	0.94
C040201E	0.95
C040201F	0.92
C040201M	0.97
C040202C	0.93
C040202D	0.95
C040202E	0.95
C040202F	0.92
C045801N	0.89
C045801M	0.98
C045802N	0.89
C045802M	0.94
C045803N	0.89
C045803M	0.93
C045804N	0.87
C045804M	0.97
C045805N	0.89
C045805M	0.93
C045806N	0.88
C045806M	0.95
C046001N	0.91
C046001M	0.92
C040401N	0.92
C040401M	0.97
C040402N	0.90
C040402M	0.94
C046101N	0.89
C046101M	0.98
C046102N	0.90
C046102M	0.96
C040801B	0.87
C040801C	0.90
C040801D	0.93
C040801E	0.91
C040801F	0.93
C040801G	0.90
C040801M	0.92
C040802B	0.90
C040802C	0.90
C040802D	0.92
C040802E	0.91
C040802F	0.92
C040802G	0.92
C040802M	0.94
C040803B	0.89
C040803C	0.91
C040803D	0.91
C040803E	0.95
C040803F	0.95
C040803M	0.90
C041001B	0.93
C041001C	0.91
C041001D	0.92
C041001E	0.89
C041001M	0.96
C041101B	0.92
C041101C	0.94
C041101D	0.93
C041101E	0.90
C041101M	0.97
C036001B	0.91
C036001C	0.92
C036001D	0.90
C036001E	0.90
C036001F	0.93
C036001M	0.94
C036002B	0.91
C036002C	0.93
C036002D	0.92
C036002E	0.87
C036002F	0.84
C036002M	0.96
C036003B	0.87
C036003C	0.90
C036003D	0.91
C036003M	0.92
C036004B	0.89
C036004C	0.91
C036004D	0.91
C036004M	0.93
C036005B	0.91
C036005D	0.94
C036005M	0.93
C041201A	0.94
C041201X	0.99
T073801N	0.87
T073801M	0.96
T073901T	0.96
T073901X	0.97
T072101B	0.93
T072101C	0.93
T072101D	0.87
T072101M	0.89
T074001N	0.83
T074001C	0.98
T074001M	0.97
T074101T	0.89
T074101X	0.90
T074102T	0.94
T074102X	0.93
T074103T	0.96
T074103X	0.93
T072402N	0.88
T072402M	0.94
T073605B	0.91
T073605C	0.92
T073605D	0.93
T073605E	0.89
T073605M	0.96
T073606B	0.92
T073606C	0.94
T073606D	0.91
T073606E	0.91
T073606M	0.97
T073607B	0.91
T073607C	0.89
T073607D	0.88
T073607E	0.94
T073607M	0.97
T073608B	0.90
T073608C	0.91
T073608D	0.90
T073608E	0.92
T073608M	0.96
TA73301M	0.90
TB73301M	0.90
TC73301M	0.90
TD73301M	0.91
TE73301M	0.91
TF73301M	0.90
TA73302M	0.92
TB73302M	0.91
TC73302M	0.90
TD73302M	0.89
TE73302M	0.94
TF73302M	0.92
TA73303M	0.89
TB73303M	0.94
TC73303M	0.92
TD73303M	0.91
TE73303M	0.87
TF73303M	0.91
TA73304M	0.92
TC73304M	0.93
TD73304M	0.91
TE73304M	0.91
TF73304M	0.91
TA73305M	0.93
TD73305M	0.90
TE73305M	0.90
TF73305M	0.90
TA73702M	0.93
TB73702M	0.90
TC73702M	0.90
TD73702M	0.90
TE73702M	0.92
TF73702M	0.89
TA73306M	0.94
TB73306M	0.92
TD73306M	0.92
TE73306M	0.91
TF73306M	0.92
TA73307M	0.90
TB73307M	0.87
TC73307M	0.92
TD73307M	0.90
TE73307M	0.92
TF73307M	0.89
TC73308M	0.84
TD73308M	0.93
TE73308M	0.91
TF73308M	0.89
TA73309M	0.93
TD73309M	0.94
TE73309M	0.92
TF73309M	0.93
TA73310M	0.93
TD73310M	0.91
TE73310M	0.91
TF73310M	0.92
TA73311M	0.89
TC73311M	0.87
TD73311M	0.89
TE73311M	0.90
TF73311M	0.89
TA73312M	0.94
TE73312M	0.91
TF73312M	0.94
TA73313M	0.94
TE73313M	0.91
TF73313M	0.94
TA73314M	0.94
TB73314M	0.91
TC73314M	0.91
TD73314M	0.89
TE73314M	0.95
TF73314M	0.93
TA73315M	0.93
TB73315M	0.92
TC73315M	0.91
TD73315M	0.93
TE73315M	0.92
TF73315M	0.91
TA73316M	0.94
TB73316M	0.95
TC73316M	0.92
TD73316M	0.92
TE73316M	0.91
TF73316M	0.91
TA73317M	0.94
TD73317M	0.91
TE73317M	0.92
TF73317M	0.91
TA73318M	0.94
TD73318M	0.90
TE73318M	0.95
TF73318M	0.91
TA73319M	0.88
TC73319M	0.89
TD73319M	0.91
TE73319M	0.89
TF73319M	0.90
T072702B	0.80
T072702C	0.89
T072702D	0.89
T072702E	0.91
T072702F	0.92
T072702G	0.91
T072702M	0.97
TA72802M	0.90
TB72802M	0.89
TC72802M	0.90
TD72802M	0.90
TE72802M	0.89
T073401N	0.90
T073501B	0.88
T073501C	0.88
T073501D	0.89
T073501E	0.89
T073501F	0.92
T073501G	0.93
T073501M	0.92
T073202B	0.90
T073202C	0.94
T073202D	0.93
T073202E	0.91
T073202M	0.90
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2000 Science Assessment.

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