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NAEP Technical DocumentationTreatment of Items in the Scaling of the 2018 Geography Subscales

Items deleted from the final scaling, geography DBA national assessment, by subscale, block, and grade: 2018
GradeBlockItemSubscaleReason for decision
8G5G035401Spatial dynamics and connectionsPoor model-data fit
NOTE: DBA = Digitally based assessment. In 2018, grades 4 and 12 were not assessed. The block naming conventions used in this table are described in the document 2018 Block Naming Conventions in Data Products and TDW.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Geography Assessment.

Items deleted from the final scaling, geography PBA national assessment, by subscale, block, and grade: 2018
GradeBlockItemSubscaleReason for decision
8G5G046901Space and placePoor model-data fit
G5G051101Spatial dynamics and connectionsPoor model-data fit
G9G020301Environment and societyPoor model-data fit
G9G020302Environment and societyPoor model-data fit
NOTE: PBA = Paper-based assessment. In 2018, grades 4 and 12 were not assessed. The block naming conventions used in this table are described in the document 2018 Block Naming Conventions in Data Products and TDW.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Geography Assessment.

Cluster items created for final scaling, geography PBA national assessment, by subscale, block, and grade: 2018
GradeBlockItemSubscaleReason for decisionItems contributing to cluster
8G9G0203CLEnvironment and societyItems were locally dependentG020301, G020302
NOTE: PBA = Paper-based assessment. In 2018, grades 4 and 12 were not assessed. The block naming conventions used in this table are described in the document 2018 Block Naming Conventions in Data Products and TDW.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Geography Assessment.

Recoding of polytomous items for scaling, geography DBA national assessment, by subscale, block, and grade: 2018
GradeBlockItemSubscaleReason for decisionDisposition
8G1G020001Environment and societyTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,1,1
G2G046301Environment and societyTo improve model-data fitCollapsed categories: 0,1,2,3 becomes 0,0,1,2
G2G049001Space and placeTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,0,1
G3G020302Environment and societyTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,1,1
G6G0660MSSpace and placeTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,0,1
G7G0603MSSpace and placeTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,0,1
G7G0613MSSpace and placeTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,0,1
NOTE: DBA = Digitally based assessment. In 2018, grades 4 and 12 were not assessed. The block naming conventions used in this table are described in the document 2018 Block Naming Conventions in Data Products and TDW.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Geography Assessment.

Recoding of polytomous items for scaling, geography PBA national assessment, by subscale, block, and grade: 2018
GradeBlockItemSubscaleReason for decisionDisposition
8G5G050001Space and placeTo improve model-data fitCollapsed categories: 0,1,2,3 becomes 0,1,2,2
G8G046301Environment and societyTo improve model-data fitCollapsed categories: 0,1,2,3 becomes 0,0,1,2
G8G049001Space and placeTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,0,1
G9G019202Environment and societyTo improve model-data fitCollapsed categories: 0,1,2 becomes 0,1,1
NOTE: PBA = Paper-based assessment. In 2018, grades 4 and 12 were not assessed. The block naming conventions used in this table are described in the document 2018 Block Naming Conventions in Data Products and TDW.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Geography Assessment.

Items scaled separately, geography PBA national assessment, by subscale, block, and grade: 2018
GradeBlockItemSubscaleType of item
8G3G013501Spatial dynamics and connectionsMultiple choice
G3G014501Space and placeMultiple choice
G4G032901Environment and societyPolytomously scored constructed-response
G4G033301Environment and societyPolytomously scored constructed-response
G4G033501Spatial dynamics and connectionsPolytomously scored constructed-response
G4G034101Environment and societyPolytomously scored constructed-response
G4G059701Environment and societyMultiple choice
G5G046701Space and placePolytomously scored constructed-response
G5G050301Environment and societyPolytomously scored constructed-response
G5G051101Spatial dynamics and connectionsMultiple choice
G6G034901Spatial dynamics and connectionsMultiple choice
G6G035101Spatial dynamics and connectionsMultiple choice
G6G035201Spatial dynamics and connectionsMultiple choice
G6G035801Environment and societyMultiple choice
G6G036001Spatial dynamics and connectionsMultiple choice
G7G051601Space and placePolytomously scored constructed-response
G7G052101Space and placeMultiple choice
G7G053601Spatial dynamics and connectionsPolytomously scored constructed-response
G8G046201Space and placeMultiple choice
G8G046301Environment and societyPolytomously scored constructed-response
G8G049101Spatial dynamics and connectionsMultiple choice
G9G019102Environment and societyPolytomously scored constructed-response
G9G019201Environment and societyMultiple choice
G9G019801Space and placeMultiple choice
G9G019901Environment and societyPolytomously scored constructed-response
NOTE: PBA = Paper-based assessment. In 2018, grades 4 and 12 were not assessed. The block naming conventions used in this table are described in the document 2018 Block Naming Conventions in Data Products and TDW.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2018 Geography Assessment.


Last updated 11 January 2023 (PG)