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NAEP Analysis and Scaling → Estimation of Population and Student Group Distributions → Variables That Define Groups in NAEP → Writing Assessment Estimation Variables for 2011

NAEP Technical DocumentationWriting Assessment Estimation Variables for 2011

Variables used in the population structure model for the writing 2011 computer-based assessment are listed and described below.

Variables used for main effects and interactions in the population structure model:

  • HISPYES – School reported ethnicity - Hispanic. This variable has three levels: Yes, No, or Missing.
  • DSEX – School reported gender. This variable has three levels: Male, Female, or Missing.
  • DRACE10 – Student reported race. This variable has eight levels: White, Black, Hispanic, Asian, American Indian/Alaska Native, Native Hawaiian/Pacific Islander, More than one, and Missing.
  • SDRACE10 – School reported race. This variable has eight levels: White, Black, Hispanic, Asian, American Indian/Alaska Native, Native Hawaiian/Pacific Islander, 2 or more races, and missing.
  • SCHTYPE – Type of school. This variable has six levels: Public, Private, Catholic, Bureau of Indian Education, Department of Defense, and Missing.
  • CENSREG – Regions as defined by the Census Bureau. This variable has six levels: Northeast, Midwest, South, West, DoDEA International, and Missing.
  • UTOL4 – Type of location. This variable has five levels: City, Suburb, Town, Rural, and Missing.
  • PARED – Parents education level. Information for this variable is collected from students at grades 8 and 12 only. It has six levels: Did not finish high school, Graduated high school, Some education after high school, Graduated college, Unknown, and Missing.
  • SLUNCH1 – School reported free or reduced-price school lunch. This variable has four levels: Eligible, Not eligible, Not available, and Missing.
  • ELL3 – English language learner. This variable has four levels: Yes, No, Formerly, and Missing.
  • SD3 – School-reported student with disability. This variable has four levels: Yes–IEP, Yes–504, No–not SD, and Missing.
  • ACCOM2 – Accommodations. This variable has three levels: Accommodated, Not accommodated, and Missing.
  • CHRTRPT – Charter school flag. This variable has three levels: yes, no, and missing

Two-way interactions included in the population structure model: All main effects listed above were used to examine two-way interactions. The move to computer-based assessment in 2011 allowed for the capturing of student behaviors while responding to items referred to as student actions variables. The student actions were included in two-way interactions with major reporting variables only (i.e., race/ethnicity, gender, school lunch, parent education, and type of location).

Main effects not used in interactions:

  • UTOL12 – Type of location. This variable has 13 levels: Large city, Midsize city, Small city, Large suburb, Midsize suburb, Small suburb, Fringe Town, Distant town, Remote town, Fringe rural, Distant rural, Remote rural, and Missing.
  • MODAGE – Modal age of sample. This variable has four levels: Below modal age, At modal age, Above modal age, and Missing.     
  • SLUNCH – School lunch. This variable has seven levels: Not eligible, Reduced, Free, No information, Refusal, Not part, and Missing.
  • 14 Additional Accommodations Variables – These variables (Read all in Spanish, Bilingual booklet, Bilingual dictionary, Read aloud, Braille, Large print, Magnification device, Scribe, Small group, One-on-one, School staff administers, Extra time, Breaks, Other) are from the front cover; each one is a separate background variable, scored as Yes or Missing.
  • CENSDIV – Census division. This variable has 11 levels: New England, Middle Atlantic, East North Central, West North Central, South Atlantic, East South Central, West South Central, Mountain, Pacific, DoDEA International, and Missing.
  • SENROLx – Number of enrolled students for each grade. This variable has six levels: five categories of enrollment sizes and Missing.
  • PCTWHTC – Percentage of White students. This variable has six levels: 0, 1–5, 6–25, 26–50, 51+, and Missing.
  • PCTBLKC – Percentage of Black students. This variable has six levels: 0, 1–5, 6–25, 26–50, 51+, and Missing.
  • PCTHSPC – Percentage of Hispanic students. This variable has six levels: 0, 1–5, 6–25, 26–50, 51+, and Missing.
  • PCTASNC – Percentage of Asian students. This variable has six levels: 0, 1–5, 6–25, 26–50, 51+, and Missing.
  • PCTINDC – Percentage of American Indian students. This variable has six levels: 0, 1–5, 6–25, 26–-50, 51+, and Missing.

Other variables:

– YRSEXP – Years teaching experience. This variable has five levels: 0–4, 5–9, 10–19, 20+, and missing.

– YRSLART (grade 8 only) – Years teaching experience language arts. This variable has five levels: 0–4, 5–9, 10–19, 20+, and missing.

– YRSMATH (grade 8 only) – Years teaching experience mathematics. This variable has five levels: 0–4, 5–9, 10–19, 20+, and missing.

– YRSSCI (grade 8 only) – Years teaching experience science. This variable has five levels: 0–4, 5–9, 10–19, 20+, and missing. 

Last updated 05 January 2016 (GF)
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