14,940 responses from 747 respondents to 20 items.
| Description | Data from C-tests with a testlet structure |
|---|---|
| Reference | Schroeders, U., Robitzsch, A., & Schipolowski, S. (2014). A Comparison of Different Psychometric Approaches to Modeling Testlet Structures: An Example with C‐Tests. Journal of Educational Measurement, 51(4), 400-418. |
| DOI | 10.1111/jedm.12054 |
| Licence | GPL-3.0 |
| Source data | https://cran.r-project.org/web/packages/sirt/index.html |
| Responses | 14,940 |
|---|---|
| Respondents | 747 |
| Items | 20 |
| Response categories | 2 |
| Responses per respondent | 20 |
| Responses per item | 747 |
| Density | 1 |
| Longitudinal | FALSE |
| age range | Mixed |
|---|---|
| child age (for child-focused studies) | Adolescent (12-18y) |
| sample | Educational, Targeted/specific |
| construct type | Cognitive/educational |
| measurement tool | Test |
| item format | Constructed Response |
| primary language(s) | ger |
| construct name | C-Test with Testlet Structure (g308 SIRT Dataset) |
iditemitem_familyresp
Or load it directly in R or Python:
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("g308_sirt")
# Python
pip install irw
import irw
df = irw.fetch("g308_sirt")
| 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 |