142,240 responses from 8,890 respondents to 8 items.
| Description | The English Language Learner Insight, Proficiency and Skills Evaluation (ELLIPSE) |
|---|---|
| Reference | Crossley, S. A., Tian, Y., Baffour, P., Franklin, A., Kim, Y., Morris, W., Benner, B., Picou, A., & Boser, U. (2023). Measuring second language proficiency using the English Language Learner Insight, Proficiency and Skills Evaluation (ELLIPSE) Corpus. International Journal of Learner Corpus Research, 9 (2), 248-269. |
| Licence | CC BY-NC-SA 4.0 |
| Source data | https://github.com/scrosseye/ELLIPSE-Corpus?tab=readme-ov-file#readme |
| Responses | 142,240 |
|---|---|
| Respondents | 8,890 |
| Items | 8 |
| Response categories | 6 |
| Responses per respondent | 16 |
| Responses per item | 17,780 |
| Density | 2 |
| Longitudinal | FALSE |
| age range | Child (<18y) |
|---|---|
| child age (for child-focused studies) | Adolescent (12-18y) |
| sample | Educational, General/non-specific |
| construct type | Cognitive/educational |
| measurement tool | Test |
| item format | Constructed Response |
| primary language(s) | eng |
| construct name | English Language Learner Insight, Proficiency and Skills Evaluation (ELLIPSE) |
This codebook is reconstructed by the IRW from the IRW data standard and the script that built it, Ellipse_Corssley_2024.r. It is our best reading, not the source’s own codebook, and it may contain mistakes. Where the two disagree, the source data are the authority. If you find an error, please tell us.
| Column | What it is | Source column |
|---|---|---|
| IRW standard columns | ||
id | IRW standard Identifier for the focal unit being measured — typically a person, but sometimes another entity (e.g., a word in a lexical task). | Filename |
item | IRW standard Item identifier. | made in the build script |
rater | IRW standard Observer identifier in scenarios where items are rated by an external observer rather than self-reported. | Rater |
resp | IRW standard Response value. | made in the build script |
What item codes and covariate values stand for is in the source’s README, README.md.
Licence: CC BY-NC-SA 4.0 — non-commercial use only; adaptations must be shared under the same licence.
Or load it directly in R or Python (both need a free Redivis account; the first call opens a browser to sign in):
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("Ellipse_Corssley_2024")
# Python
pip install irw
import irw
df = irw.fetch("Ellipse_Corssley_2024")
@article{crossley2023measuring,
title={Measuring second language proficiency using the {English} {Language} {Learner} {Insight}, {Proficiency} and {Skills} {Evaluation} ({ELLIPSE}) {Corpus}},
author={Crossley, Scott A. and Tian, Yingfei and Baffour, Perpetual and Franklin, Ashleigh and Kim, Yeonjoo and Morris, William and Benner, Benjamin and Picou, Amanda and Boser, Ulrich},
journal={International Journal of Learner Corpus Research},
volume={9},
number={2},
pages={248--269},
year={2023},
url={https://github.com/scrosseye/ELLIPSE-Corpus?tab=readme-ov-file#readme}
}
| IRW version | v569 |
|---|---|
| Redivis dataset | item_response_warehouse v71.0 |
| Redivis dataset DOI | 10.57761/f5n4-k797 |
| Manifest pin for this IRW version | v70.0 |
| Metadata source | irw_meta v43.0 |