3,960 responses from 261 respondents to 4 items.
| Description | Symmetry span, administered twice about two weeks apart to US undergraduates. 261 respondents, 4 items, 3,960 responses; set-size partial-credit scores. |
|---|---|
| Reference | Robison, M. K., Campbell, S., Garner, L. D., Sibley, C., & Coyne, J. (2026). A comprehensive psychometrics of cognitive ability measures: Reliability, practice effects, and the stability of latent factor structures across retesting. Behavior Research Methods, 58(2), Article 56. https://doi.org/10.3758/s13428-025-02897-8 |
| DOI | 10.3758/s13428-025-02897-8 |
| Licence | CC BY 4.0 |
| Source data | https://osf.io/4qngc/files/osfstorage |
| Responses | 3,960 |
|---|---|
| Respondents | 261 |
| Items | 4 |
| Response categories | 6 |
| Responses per respondent | 15.172 |
| Responses per item | 990 |
| Density | 3.793 |
| Longitudinal | TRUE |
| age range | Adult (18+) |
|---|---|
| sample | Educational |
| construct type | Cognitive/educational |
| measurement tool | Test |
| item format | Constructed Response |
| primary language(s) | eng |
| construct name | Symmetry span |
cov_agecov_color_blindcov_gendercov_gpacov_majorcov_major_typecov_medicationcov_native_englishcov_normal_hearingcov_normal_visioncov_racecov_wears_glassesiditemresptrial_listwave
Or load it directly in R or Python:
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("robison_2026_retesting_symspan")
# Python
pip install irw
import irw
df = irw.fetch("robison_2026_retesting_symspan")
@article{Robison_2026, title={A comprehensive psychometrics of cognitive ability measures: Reliability, practice effects, and the stability of latent factor structures across retesting}, volume={58}, ISSN={1554-3528}, url={http://dx.doi.org/10.3758/s13428-025-02897-8}, DOI={10.3758/s13428-025-02897-8}, number={2}, journal={Behavior Research Methods}, publisher={Springer Science and Business Media LLC}, author={Robison, Matthew K. and Campbell, Stephen and Garner, Lauren D. and Sibley, Ciara and Coyne, Joseph}, year={2026}, month=Jan }
| IRW version | v407 |
|---|---|
| Redivis dataset | item_response_warehouse_5 v4.0 |
| Redivis dataset DOI | 10.57761/yvjw-0981 |
| Manifest pin for this IRW version | v4.0 |
| Metadata source | irw_meta v24.0 |