63,808 responses from 1,994 respondents to 32 items.
| Description | Mathematical skills were assessed using the standardized achievement test DEMAT 1+ for first-graders, which provides norm values for the beginning of second grade |
|---|---|
| Reference | Förster, N., Erichsen, M., & Forthmann, B. (2023). Measuring Reading Progress in Second Grade: Psychometric Properties of the quop-L2 Test Series. European Journal of Psychological Assessment, 39(1), 5–13. https://doi.org/10.1027/1015-5759/a000688 |
| DOI | 10.1027/1015-5759/a000688 |
| Licence | CC BY 4.0 |
| Source data | https://osf.io/9vjmt/overview |
| Responses | 63,808 |
|---|---|
| Respondents | 1,994 |
| Items | 32 |
| Response categories | 2 |
| Responses per respondent | 32 |
| Responses per item | 1,994 |
| Density | 1 |
| Longitudinal | FALSE |
| age range | Child (<18y) |
|---|---|
| sample | Educational |
| construct type | Cognitive/educational |
| measurement tool | Test |
| item format | Likert Scale/selected response |
| primary language(s) | ger |
| construct name | standardized achievement test DEMAT 1+ |
cov_classcov_gradecov_migrationcov_schoolcov_sexcov_statecov_teacheriditemresp
Or load it directly in R or Python:
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("quopl2_forster_2021_dmat")
# Python
pip install irw
import irw
df = irw.fetch("quopl2_forster_2021_dmat")
| IRW version | v393 |
|---|---|
| Redivis dataset | item_response_warehouse_2 v19.0 |
| Redivis dataset DOI | 10.57761/qtx5-4m80 |
| Manifest pin for this IRW version | v19.0 |
| Metadata source | irw_meta v23.0 |