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NAEP Technical DocumentationTransformation Coefficients Used for Variance Calculation, U.S. History National Assessment: 2018

Transformation coefficients for sampling variance calculation, grade 8 U.S. history national assessment: 2018
SubscaleIndex
A
B
Democracy11.0031287011-0.3692741615
Democracy21.0025156088-0.1134302547
Democracy31.0037488343-0.5289948498
Democracy41.0037577191-0.5069376389
Democracy51.0043163951-0.7520221435
Democracy6
1.0032262328-0.3406090778
Democracy71.0042554596-0.4668406834
Democracy81.0036501792-0.5614957974
Democracy91.0028421265-0.3620051871
Democracy101.0062216958-1.0282879540
Democracy111.00104228520.2381934294
Democracy121.0055146167-0.9656551960
Democracy131.0030050956-0.3572514771
Democracy141.0031561183-0.2556779248
Democracy151.0031931816-0.3880347494
Democracy161.0025725470-0.2566277085
Democracy171.0023766296-0.2408360396
Democracy181.0052160226-0.9971351002
Democracy191.0045161543-0.8198096654
Democracy201.0046734345-0.6694616875
Democracy211.00007729920.3146304780
Democracy221.0034847565-0.4974924084
Democracy230.99878662790.8975998980
Democracy241.0042860695-0.4615601381
Democracy251.0034009366-0.4656883024
Democracy261.0049074601-0.6739289813
Democracy271.00103865430.0711194709
Democracy281.0026505481-0.1050570364
Democracy291.00151753890.0939205782
Democracy301.00219847130.0981652944
Democracy311.0048248791-0.8392689871
Democracy321.0033733065-0.4653466166
Democracy331.0025998742-0.2140099525
Democracy340.99980338710.6813179400
Democracy351.0038842339-0.5074677242
Democracy361.0045377493-0.5532568624
Democracy371.0035444646-0.4325506176
Democracy381.0042302809-0.5831839177
Democracy391.0027068123-0.3840858759
Democracy401.0034288079-0.3451114957
Democracy411.0035673811-0.4950011278
Democracy421.00186411120.1150231343
Democracy431.0041328261-0.6747865134
Democracy441.0052268580-0.9415145136
Democracy451.00004549530.5996495587
Democracy461.0033306371-0.4078356780
Democracy471.0044013321-0.6192065189
Democracy481.0047559523-0.8487912096
Democracy491.0018015687-0.0251298931
Democracy501.0028068844-0.2125905478
Democracy511.00120094080.2343836368
Democracy521.0036362537-0.4601556809
Democracy531.00164280870.1305688343
Democracy541.00054568630.3017279658
Democracy551.0027413030-0.2526057439
Democracy561.0045805083-0.7129697350
Democracy571.0032055177-0.2634047877
Democracy581.0018680337-0.0076106529
Democracy591.0029928926-0.2802545975
Democracy601.0038723919-0.5575849148
Democracy611.0024929125-0.0906303001
Democracy621.0052380798-0.9257242623
Cultures11.0047379738-1.9645075234
Cultures21.0040003559-1.7081545375
Cultures31.0043884906-1.7710463076
Cultures41.0033998168-1.4741806991
Cultures51.0061693251-2.3016067773
Cultures61.0045655012-1.9022709872
Cultures71.0062358690-2.1365865761
Cultures81.0014298821-1.0311228269
Cultures91.0051086442-2.0024527057
Cultures101.0053082396-2.0336767644
Cultures111.0022159923-1.2676492036
Cultures121.0071252979-2.4671780219
Cultures131.0060395672-2.1935700344
Cultures141.0058207836-2.0280116367
Cultures151.0043910125-1.8617735920
Cultures161.0039885316-1.7106979763
Cultures171.0043244080-1.7936827217
Cultures181.0059678133-2.1878895878
Cultures191.0030483400-1.4375118222
Cultures201.0072849823-2.5313505760
Cultures211.0054429470-2.1239023286
Cultures221.0033359584-1.5697843299
Cultures231.0019908681-1.1550429106
Cultures241.0050555996-1.8226808719
Cultures251.0059514590-2.2312415568
Cultures261.0042929573-1.7634172539
Cultures271.0023825806-1.4421179803
Cultures281.0044835235-1.7193831027
Cultures291.0017236204-1.1586331488
Cultures301.0039985833-1.5960457945
Cultures311.0061180930-2.2921537893
Cultures321.0063173873-2.4573868661
Cultures331.0042617950-1.7792411962
Cultures341.0055511316-2.0879246820
Cultures351.0053660751-1.9942917263
Cultures361.0058476170-2.0534532875
Cultures371.0043166812-1.7168715525
Cultures381.0054934441-2.0307710185
Cultures391.0027414579-1.4484759736
Cultures401.0062691124-2.1621996030
Cultures411.0081444685-2.8611403118
Cultures421.0005341144-0.6970296224
Cultures431.0059636004-2.2869636370
Cultures441.0067449488-2.4120155417
Cultures451.0008211300-0.7305519339
Cultures461.0029574749-1.4612343466
Cultures471.0054440736-1.9797480957
Cultures481.0060239530-2.2474309656
Cultures491.0011349234-0.9471756383
Cultures501.0047830030-1.9740794913
Cultures511.0026723071-1.2416342529
Cultures521.0055978948-2.0169068546
Cultures531.0036273126-1.5516885200
Cultures541.0036656806-1.5669987661
Cultures551.0032648573-1.4716189822
Cultures56
1.0057906589-2.2090708170
Cultures571.0044007696-1.7225616303
Cultures581.0027583922-1.2997117960
Cultures591.0047745134-1.8884299121
Cultures601.0046158097-1.8280539684
Cultures611.0033533501-1.4275863416
Cultures621.0055123872-2.1312181976
Technology10.97634771846.2671253034
Technology20.97596023766.4650905749
Technology30.97716145906.1796260707
Technology40.97567107386.4958155428
Technology50.97761305555.9900997152
Technology60.97892151825.7031675509
Technology70.98077678245.4187464795
Technology80.97286379517.2471794226
Technology90.97791520616.0357870665
Technology100.97893839165.7037352064
Technology110.97752996536.1232112467
Technology120.97887494265.8015363526
Technology130.97787174255.9904634634
Technology140.97609743536.5269606339
Technology150.97828052315.8079332430
Technology160.97716449706.1554746362
Technology170.97629803526.3531296405
Technology180.97878089705.7172577465
Technology190.97700899046.2289296932
Technology200.97869550005.8103999296
Technology210.97674172306.2205418279
Technology220.97695925226.1372875446
Technology230.97455272316.8065895058
Technology240.97648591056.5516905853
Technology250.97957438845.6693692994
Technology260.97679458816.3558595627
Technology270.97600964826.3402397008
Technology280.97778861036.2201561874
Technology290.97658483166.3566689102
Technology300.97873634255.8063508500
Technology310.97677074076.3011344534
Technology320.97765512355.9733882355
Technology330.97699487056.1957222496
Technology340.97864903065.8157738160
Technology350.97620923226.5514749379
Technology360.97792961896.0677271995
Technology370.97736441216.1450850594
Technology380.97866124455.8038880751
Technology390.97522322896.6098629110
Technology400.97818927256.0231035600
Technology410.97978063635.3807945390
Technology420.97572366746.6483486212
Technology430.97780513045.9647511894
Technology440.97835111815.8919760362
Technology45
0.97379039417.2044256796
Technology46
0.97763661226.0774394442
Technology470.97702206846.2371606995
Technology480.98023405705.3673653329
Technology490.97559418176.6411991248
Technology500.97771242385.9891688025
Technology510.97484389046.9230604286
Technology520.97937258975.6201973279
Technology530.97434766226.9479331538
Technology540.97522002866.6927824338
Technology550.97804703495.8911397386
Technology560.97812106155.9426703832
Technology570.97716295716.2092308415
Technology580.97783895576.0482885382
Technology590.97730622666.1570250059
Technology600.97623691836.4041905200
Technology610.97599304116.5789805520
Technology620.97887007045.7148376549
World role11.0142516689-3.2627792474
World role21.0146579463-3.3170896040
World role31.0137970925-3.0880034228
World role41.0129184296-2.7632384352
World role51.0110775796-2.5385040251
World role61.0145092394-3.4192678617
World role71.0145864578-3.1958492894
World role81.0110250821-2.3458542155
World role91.0132806545-2.9660564416
World role101.0139478966-3.1376248122
World role111.0118021379-2.5098185798
World role121.0117941502-2.5970431129
World role13
1.0166810404-3.7781609871
World role141.0143245061-3.2073839981
World role151.0138991419-3.1596473111
World role161.0120740963-2.6410290337
World role171.0131319878-3.0822916018
World role181.0127909613-2.8498286504
World role191.0142654915-3.2722749655
World role201.0152591878-3.4394267389
World role211.0134055653-3.0817794056
World role221.0129435786-2.9456446010
World role231.0114613984-2.3263697507
World role241.0153034794-3.3549638889
World role251.0140242294-3.1935424980
World role261.0143780249-3.2443915904
World role271.0081927455-1.8194363377
World role281.0126994926-2.6777173016
World role291.0114967761-2.5392069004
World role301.0118873977-2.5284003897
World role311.0148950196-3.4043076554
World role321.0146728698-3.5351031494
World role331.0138609227-3.0898388307
World role341.0119345964-2.4292798833
World role351.0127049337-2.6088566423
World role361.0146597194-3.1978189359
World role371.0125132689-2.7375031460
World role381.0143769275-3.1936070041
World role391.0117887815-2.4171566801
World role401.0174327451-3.9119158427
World role411.0152579169-3.4651897585
World role421.0123092826-2.6686449092
World role431.0142104114-3.2832908279
World role441.0167047574-3.8138048471
World role451.0084248817-1.4735027574
World role461.0111491040-2.4269713076
World role471.0154167721-3.4725391115
World role481.0150702270-3.4360252455
World role491.0114134426-2.5649111670
World role501.0120073685-2.5476624964
World role511.0105462683-2.1248314875
World role521.0149720154-3.3420503047
World role531.0115746608-2.5212305696
World role541.0137744087-3.0601483731
World role551.0127821521-2.7895481641
World role561.0138507845-3.1497008329
World role571.0153436532-3.3752676314
World role581.0124237848-2.6822963415
World role591.0133713522-2.9502734652
World role601.0137684014-3.1154381531
World role611.0116968755-2.4141020077
World role621.013481467-2.999091107
NOTE: In 2018, grades 4 and 12 were not assessed.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 U.S. History Assessment.

Transformation coefficients for measurement variance calculation, grade 8 U.S. history national assessment: 2018
ReplicateSubscaleDBA plausible valueBridge PBA plausible valueAB
1Democracy111.0036591471-0.4818923531
1Democracy220.98096995135.6187577758
1Democracy330.98829663532.9078196075
1Democracy441.0056717066-1.5862137386
1Democracy551.0182559955-4.5782885867
1Democracy661.0059199941-1.9257198943
1Democracy770.97736992305.0215489153
1Democracy881.0081505718-2.0578801858
1Democracy990.98882686533.3900842341
1Democracy10100.99229513071.8391382194
1Democracy11110.99427562621.4854815646
1Democracy12121.0044742200-1.6634380050
1Democracy13130.99782607350.8403249287
1Democracy14141.0044065953-0.6919194180
1Democracy15151.0214991738-6.3666034990
1Democracy16161.0104020389-2.7085401726
1Democracy17171.0140071778-3.8509291477
1Democracy18180.98892127103.4722098643
1Democracy19191.0080562448-2.7528952940
1Democracy20200.98891872973.4981191712
1Cultures111.0047610216-1.8874106207
1Cultures220.99848039610.7366377484
1Cultures330.98749230193.8348808566
1Cultures441.0079457538-2.1092512100
1Cultures550.99934846360.4961057217
1Cultures661.0024150407-0.6310321457
1Cultures770.99437326301.7473131048
1Cultures881.0010853985-0.1491950993
1Cultures991.0148209717-4.9053701824
1Cultures10100.98372916933.4300711329
1Cultures11111.0060113177-1.5597512829
1Cultures12121.0129558557-3.6349935069
1Cultures13131.0004749088-0.1320402888
1Cultures14141.0100196384-2.8390157411
1Cultures15151.0110165978-2.9208082185
1Cultures16160.98306571384.9429015126
1Cultures17170.99735421090.7320544695
1Cultures18181.0042836273-0.7094452394
1Cultures19190.98690330113.5415702178
1Cultures20200.99468763141.6879983288
1Technology110.97741975126.1225970771
1Technology220.99435279771.2384098497
1Technology330.99919150100.4852955010
1Technology440.99504537781.0121532477
1Technology551.0217677076-5.8160668728
1Technology660.98313595244.7903568207
1Technology770.99858429450.3475263175
1Technology881.0043401935-1.5575748680
1Technology990.98233801644.5674006197
1Technology10101.0064869217-1.6813692319
1Technology11110.98864910372.9552176974
1Technology12121.0161310536-4.0439060747
1Technology13131.0019719331-0.6427461553
1Technology14141.0160051062-3.6862472700
1Technology15150.99779774210.6856222980
1Technology16161.0027607152-0.4478050434
1Technology17171.0029427169-0.6996519048
1Technology18181.0118765673-3.6192415720
1Technology19190.99654365230.9589766920
1Technology20201.0041836927-1.3542810352
1World role111.0138964944-3.1234278512
1World role220.98809522822.8205248918
1World role330.98604060703.5699476856
1World role441.0061870112-1.6286429231
1World role551.0032424436-0.0426243604
1World role661.0090159170-2.6703554375
1World role771.0188726432-4.7644888209
1World role880.98746366082.2087436455
1World role990.97773133706.6525036928
1World role10101.00022253470.4646908374
1World role11110.99346231821.8403888269
1World role12121.0225633500-7.2917340283
1World role13130.98790411953.7462907504
1World role14141.0041663942-1.2758608259
1World role15150.99662602500.8181873161
1World role16161.0012636118-0.7513789043
1World role17171.0028762632-0.4151730056
1World role18181.0069588765-2.0247481423
1World role19191.0051538654-1.3901598114
1World role20200.98934153912.9352570060
2Democracy1141.0105533108-2.2964231255
2Democracy2110.97006572788.2157993869
2Democracy3180.98398523804.2670797469
2Democracy4151.0085739050-2.2975142403
2Democracy5201.00204820520.0185386928
2Democracy6171.0185737280-5.6032830190
2Democracy730.97604537686.3019161997
2Democracy8161.0168233746-4.2385286051
2Democracy9120.99324000261.6697470422
2Democracy1060.98501437313.7310343758
2Democracy11191.0101388077-3.2792378844
2Democracy1221.0080416688-2.1597127899
2Democracy1311.00082531890.6369788781
2Democracy14130.99456492241.3135886858
2Democracy1551.0244934359-6.5568074841
2Democracy1670.99599810190.3017793360
2Democracy1741.0105646326-2.7544520810
2Democracy1890.99360652112.1331478000
2Democracy1981.0021713264-0.5971734581
2Democracy20100.99736128270.4727509493
2Cultures1141.0063526775-2.0352752081
2Cultures2110.98437230354.1609312136
2Cultures3181.0032158638-0.1651522572
2Cultures4151.0009848587-0.2600714971
2Cultures5200.99935161170.6062055758
2Cultures6170.99083905552.2188609038
2Cultures730.97499287936.7338266815
2Cultures8160.98799494663.6527681022
2Cultures9121.0164085773-4.5379735451
2Cultures1060.99120442961.6670183839
2Cultures11191.0136064679-3.4602387101
2Cultures1221.0122640252-3.2003951859
2Cultures1310.99415532301.4262675560
2Cultures14131.0148324593-4.2743530705
2Cultures1551.0067614507-1.9757819857
2Cultures1671.0039411362-0.6268358523
2Cultures1741.0113641122-2.6946914644
2Cultures1891.0075681034-2.7166225174
2Cultures1980.98552144313.9015568856
2Cultures20100.99592209631.1414529251
2Technology1140.99549477631.7727138735
2Technology2110.99674669640.8262513489
2Technology3181.0114808449-3.4394403649
2Technology4150.99721434170.5049409469
2Technology5201.0021512828-0.4476490250
2Technology6170.98906346002.7280459948
2Technology730.98337833404.7701183134
2Technology8160.99004573972.8552491114
2Technology9120.98718386183.3343801363
2Technology1060.98711030913.9700777877
2Technology11190.99270104521.9247101313
2Technology1221.0079961631-1.8775068591
2Technology1310.98616910783.7888861346
2Technology14131.0135429995-3.7173710879
2Technology1551.0111583076-3.1238791481
2Technology1671.0235252764-6.3065212701
2Technology1741.0065677210-1.8077087192
2Technology1890.9997952005-0.0638225727
2Technology1981.0021331959-1.2016812827
2Technology20101.0180633023-4.8854280801
2World role1141.0077021437-1.9910395252
2World role2110.98662476413.7168184683
2World role3181.0017037875-0.4420655018
2World role4151.0016876780-0.2475522701
2World role5200.98814081852.9566391296
2World role6171.0204088663-5.6790161436
2World role730.98036831845.3761346631
2World role8160.99001457082.3577212032
2World role9120.98528887423.5625095955
2World role1060.99129285292.4811254285
2World role11191.0166886534-4.5169288195
2World role1221.0087454970-3.4404752975
2World role1310.99275293893.3731626620
2World role14131.0054042971-2.0025086666
2World role1551.0045435607-0.6556475837
2World role1671.0330702456-9.1695443649
2World role1740.98938226493.0840573113
2World role1891.0040928657-1.1388043745
2World role1980.98136240484.4553002631
2World role20101.0123829238-2.5687718481
3Democracy160.99328873891.6654130161
3Democracy240.98193689364.8980261262
3Democracy330.98829663532.9078196075
3Democracy490.99667765971.3619637525
3Democracy5111.0001195197-0.2550986012
3Democracy6101.0133552760-3.8594280869
3Democracy720.98423232544.1458951063
3Democracy8171.0138023187-3.9509623009
3Democracy9191.0014138924-0.8956547559
3Democracy10130.99231571051.8057393066
3Democracy1170.9984416328-0.2743755127
3Democracy1281.0068282971-2.0917719512
3Democracy13151.0024232690-0.4654911046
3Democracy14180.98270623334.9741604445
3Democracy15201.0081863629-1.9284877120
3Democracy16120.9994417227-0.1162335691
3Democracy1751.0164517097-3.6508346900
3Democracy18161.0089859451-2.1793654946
3Democracy19141.0125687961-2.8139563153
3Democracy2011.00037987820.2347723261
3Cultures161.0095580811-2.8199981433
3Cultures240.99726935360.8214110224
3Cultures330.98749230193.8348808566
3Cultures491.0082821009-3.0018708175
3Cultures5110.99748235191.0908505468
3Cultures6100.99485523451.1493515649
3Cultures720.99463174341.5918079350
3Cultures8170.99404974491.4046822141
3Cultures9191.0089228421-2.5034041611
3Cultures10130.99276546861.0273004367
3Cultures1171.0201643575-4.9087985894
3Cultures1281.0040876586-1.2398786904
3Cultures13150.99432137801.7911138270
3Cultures14181.0126315318-3.0676894040
3Cultures15201.0067646222-1.8656899185
3Cultures16121.0048884242-1.2159042928
3Cultures1751.00015239630.0948060603
3Cultures18160.98722922773.8375415201
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NOTE: DBA = Digitally based assessment. PBA = Paper-based assessment. In 2018, grades 4 and 12 were not assessed.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 U.S. History Assessment.




Last updated 02 November 2022 (SK)