Item Response Warehouse / Tables / frac20frac20
10,720 responses from 536 respondents to 20 items.
About this table
Description Data from fraction subtraction problems. Reference Tatsuoka, C. (2002). Data analytic methods for latent partially ordered classification models. Journal of the Royal Statistical Society: Series C (Applied Statistics), 51(3), 337-350. DOI 10.1111/1467-9876.00272 Licence GPL-3.0 Source data https://cran.r-project.org/web/packages/GDINA/index.html
Size and shape
Responses 10,720 Respondents 536 Items 20 Response categories 2 Responses per respondent 20 Responses per item 536 Density 1 Longitudinal FALSE
Classification
age range Child (<18y) sample Targeted/specific construct type Cognitive/educational measurement tool Test item format Likert Scale/selected response primary language(s) eng construct name frac20 (Fraction Subtraction Data)
Item text
This table has item text in the IRW: the wording administered to respondents, not just the response codes.
Instrument Data from fraction subtraction problems. Mean words per item 4.100 Mean characters per item 11.050 Flesch-Kincaid grade level -1.879
Columns
id item qmatrix__1 qmatrix__2 qmatrix__3 qmatrix__4 qmatrix__5 qmatrix__6 qmatrix__7 qmatrix__8 resp
Get the data
Or load it directly in R or Python:
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("frac20")
# Python
pip install irw
import irw
df = irw.fetch("frac20")
Version and provenance
IRW version v393 Redivis dataset item_response_warehouse v53.0 Redivis dataset DOI 10.57761/4g08-xt41 Manifest pin for this IRW version v53.0 Metadata source irw_meta v23.0
Part of the Item Response Warehouse , IRW v393. This page describes the table as released in item_response_warehouse v53.0.