NAEP Technical DocumentationTechnology and Engineering Literacy Assessment Estimation Variables for 2014

Variables used in the population-structure model for the technology and engineering literacy (TEL) 2014 assessment are listed and described below.

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

• 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 or other Pacific Islander, multi-racial, and missing.

• SRACE10 – School reported race. This variable has eight levels: White, Black, Hispanic, Asian, American Indian/Alaska Native, Native Hawaiian or other Pacific Islander, two 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 graduate high school, high school graduate, some post high school education, college graduate, unknown, and missing.

• SLUNCH1 – School reported free or reduced-price school lunch. This variable has four levels: eligible, not eligible, not available, and missing.

• ELL – 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: Charter, non-Charter, and missing.

Main effects not used in interactions:

• UTOL12 – Type of location. This variable has 13 levels: LrgCity, MidCity, SmlCity, LrgSubrb, MidSubrb, SmlSubrb, FrgTown, DistTown, RmtTown, FrgRural, DistRural, RmtRural, and missing.

• MODAGE – Modal age of sample. This variable has four levels: Modal, and missing.  

• SLUNCH – School lunch. This variable has seven levels: not eligible, reduced, free, no information, refusal, not part, and missing.

• 22 Additional Accommodations Variables – These variables (DirAldSpan, BilBook, BilDict, ReadAloud, Braille, LargPrint, Magnif, Scrib/PC, SmallGrp, OneOnOne, StaffAdmin, ExtTime, 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: NewEngla, Midatl, Eastnoce, Westnoce, Southatl, Eastsoce, Westsoce, Mountain, Pacific, DoDEAInternational, 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.

Two-way interactions included in the population structure model: For grade 8, two-way interactions were examined between DSEX and SRACE10 and between all other main effect variables and DSEX and DRACE10.

Other variables:

• Student questionnaires (PDFs) – Grade 8  (205KB) Technology and Enginnering Literacy.
• School questionnaire (PDFs) – Grade 8  (224KB) consists of school characteristics, subject-specific, and charter school sections.
• Technology and Engineering Literacy

  • SENROLx – Number of enrolled students. This variable has six levels: five categories of enrollment sizes and missing.
• Teacher questionnaire (PDFs). There was no teacher questionnaire for TEL.

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