| Title: | IRT Parameters for the National Assessment of Education Progress |
|---|---|
| Description: | This data package contains the Item Response Theory (IRT) parameters for the National Center for Education Statistics (NCES) items used on the National Assessment of Education Progress (NAEP) from 1990 to 2015. The values in these tables are used along with NAEP data to turn student item responses into scores and include information about item difficulty, discrimination, and guessing parameter for 3 parameter logit (3PL) items. Parameters for Generalized Partial Credit Model (GPCM) items are also included. The adjustments table contains the information regarding the treatment of items (e.g., deletion of an item or a collapsing of response categories), when these items did not appear to fit the item response models used to describe the NAEP data. Transformation constants change the score estimates that are obtained from the IRT scaling program to the NAEP reporting metric. Values from the years 2000 - 2013 were taken from the NCES website <https://nces.ed.gov/nationsreportcard/> and values from 1990 - 1998 and 2015 were extracted from their NAEP data files. All subtest names were reduced and homogenized to one word (e.g. "Reading to gain information" became "information"). The various subtest names for univariate transformation constants were all homogenized to "univariate". |
| Authors: | Sun-joo Lee [aut, cre], Eric Buehler [aut], Paul Bailey [ctb] |
| Maintainer: | Sun-joo Lee <[email protected]> |
| License: | GPL-2 |
| Version: | 1.0.0 |
| Built: | 2024-11-15 03:34:48 UTC |
| Source: | https://github.com/cran/NAEPirtparams |
The NAEPirtparams package provides NAEP IRT parameters, item adjustment information,
and subtest transformation information for NAEP assessments.
The package provides a table called parameters, which has item
parameters by year, subject, and grade. The adjustments table
provides the item adjustment information that NAEP implemented in scaling (i.e.,
item deletions and collapsed score categories). The table transformations
has the location, scale, and weights for the subtests that make up a test.
This data table contains the item adjustment information that NAEP implemented in scaling from 2000 to 2013. The handful of items with responses that do not fit the item response models were deleted or had the scoring categories collapsed before the final scaling. To find all adjustments and deletions for an assessment, filter the data table by level, subject, and year. Assessments in 2000 also require filtering by accommodations.
adjustmentsadjustments
A data frame with columns
source of data, character
grade or age level of test, integer
"grade" or "age", character
test item ID, character
"accom" or "no-accom", character
subject of test, character
year of test, integer
"Collapsed" or "Deleted", character
possible scores before adjustment, character
possible scores after adjustment, character
Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1990-2015, various subjects. Retrieved from https://nces.ed.gov/nationsreportcard/tdw/analysis/scaling_avoidviolat_treatment.aspx
## Not run: adj <- NAEPirtparams::adjustments adj8M2005 <- adj[adj$level == 8 & adj$subject == 'Mathematics' & adj$year == 2005, ] head(adj8M2005) source level levelType NAEPid accommodations subject year adjustment from to 189 website 8 grade M067202 <NA> Mathematics 2005 Deleted <NA> <NA> 190 website 8 grade M052801 <NA> Mathematics 2005 Deleted <NA> <NA> 191 website 8 grade M073602 <NA> Mathematics 2005 Deleted <NA> <NA> 200 website 8 grade M141301 <NA> Mathematics 2005 Collapsed 0,1,2,3 0,1,1,2 201 website 8 grade M085701 <NA> Mathematics 2005 Collapsed 0,1,2 0,0,1 202 website 8 grade M145101 <NA> Mathematics 2005 Collapsed 0,1,2,3 0,1,1,1 ## End(Not run)## Not run: adj <- NAEPirtparams::adjustments adj8M2005 <- adj[adj$level == 8 & adj$subject == 'Mathematics' & adj$year == 2005, ] head(adj8M2005) source level levelType NAEPid accommodations subject year adjustment from to 189 website 8 grade M067202 <NA> Mathematics 2005 Deleted <NA> <NA> 190 website 8 grade M052801 <NA> Mathematics 2005 Deleted <NA> <NA> 191 website 8 grade M073602 <NA> Mathematics 2005 Deleted <NA> <NA> 200 website 8 grade M141301 <NA> Mathematics 2005 Collapsed 0,1,2,3 0,1,1,2 201 website 8 grade M085701 <NA> Mathematics 2005 Collapsed 0,1,2 0,0,1 202 website 8 grade M145101 <NA> Mathematics 2005 Collapsed 0,1,2,3 0,1,1,1 ## End(Not run)
This data table contains NCES NAEP Assessment IRT parameters from 1990 to 2015. To find all item parameters for an assessment, filter the data table by level, subject, and year. Assessments from 1990 to 2000 also require filtering by assessmentCode and accommodations.
parametersparameters
A data frame with columns
source of data, character
grade or age level of test, integer
"grade" or "age", character
test item ID, character
"State" or "National", character
"accom" or "no-accom", character
subtest within subject, character
subject of test, character
year of test, integer
slope or a parameter, numeric
difficulty or d parameter, numeric
guessing or g parameter, numeric
location of cut point 1 for polytomous item, numeric
location of cut point 2 for polytomous item, numeric
location of cut point 3 for polytomous item, numeric
location of cut point 4 for polytomous item, numeric
location of cut point 5 for polytomous item, numeric
Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1990-2015, various subjects. Retrieved from https://nces.ed.gov/nationsreportcard/tdw/analysis/scaling_irt.aspx
## Not run: param <- NAEPirtparams::parameters param8M2005 <- param[param$level == 8 & param$subject == 'Mathematics' & param$year == 2005, ] head(param8M2005) source level levelType NAEPid ... subtest subject year a b c ... 7657 website 8 grade M066201 ... algebra Mathematics 2005 0.77 -1.75 0.07 ... 7658 website 8 grade M067401 ... algebra Mathematics 2005 0.92 1.28 0.18 ... 7659 website 8 grade M086101 ... algebra Mathematics 2005 0.63 0.32 0.11 ... 7660 website 8 grade M047701 ... algebra Mathematics 2005 1.01 1.29 0.26 ... 7661 website 8 grade M067301 ... algebra Mathematics 2005 1.02 -0.03 0.16 ... 7662 website 8 grade M067701 ... algebra Mathematics 2005 0.78 -2.01 0.06 ... ## End(Not run)## Not run: param <- NAEPirtparams::parameters param8M2005 <- param[param$level == 8 & param$subject == 'Mathematics' & param$year == 2005, ] head(param8M2005) source level levelType NAEPid ... subtest subject year a b c ... 7657 website 8 grade M066201 ... algebra Mathematics 2005 0.77 -1.75 0.07 ... 7658 website 8 grade M067401 ... algebra Mathematics 2005 0.92 1.28 0.18 ... 7659 website 8 grade M086101 ... algebra Mathematics 2005 0.63 0.32 0.11 ... 7660 website 8 grade M047701 ... algebra Mathematics 2005 1.01 1.29 0.26 ... 7661 website 8 grade M067301 ... algebra Mathematics 2005 1.02 -0.03 0.16 ... 7662 website 8 grade M067701 ... algebra Mathematics 2005 0.78 -2.01 0.06 ... ## End(Not run)
This data table contains NCES NAEP Assessment transformation constants from 1990 to 2015. To find the transformation constants for an assessment, filter the data table by level, subject, and year. Some assessments also require filtering by assessmentCode and/or accommodations.
transformationstransformations
A data frame with columns
source of data, character
grade or age level of test, integer
"State" or "National", character
"accom" or "no-accom", character
subtest within subject, character
subject of test, character
year of test, integer
scale of subtest, numeric
location of subtest, numeric
weight of subtest, numeric
Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 1990-2015, various subjects. Retrieved from https://nces.ed.gov/nationsreportcard/tdw/analysis/trans_constants.aspx
## Not run: t <- NAEPirtparams::transformations t8M2005 <- t[t$level == 8 & t$subject == 'Mathematics' & t$year == 2005 & is.na(t$assessmentCode), ] head(t8M2005) source level ... subtest subject year scale location subtestWeight 229 website 8 ... algebra Mathematics 2005 35.64 281.79 0.30 228 website 8 ... data Mathematics 2005 40.37 281.91 0.15 227 website 8 ... geometry Mathematics 2005 33.22 275.64 0.20 226 website 8 ... measurement Mathematics 2005 46.57 275.86 0.15 225 website 8 ... number Mathematics 2005 37.78 277.11 0.20 ## End(Not run)## Not run: t <- NAEPirtparams::transformations t8M2005 <- t[t$level == 8 & t$subject == 'Mathematics' & t$year == 2005 & is.na(t$assessmentCode), ] head(t8M2005) source level ... subtest subject year scale location subtestWeight 229 website 8 ... algebra Mathematics 2005 35.64 281.79 0.30 228 website 8 ... data Mathematics 2005 40.37 281.91 0.15 227 website 8 ... geometry Mathematics 2005 33.22 275.64 0.20 226 website 8 ... measurement Mathematics 2005 46.57 275.86 0.15 225 website 8 ... number Mathematics 2005 37.78 277.11 0.20 ## End(Not run)