1,905,487 responses from 1,020,195 respondents to 304 items.
| Description | two dimensional object rotation tasks |
|---|---|
| Reference | Mather, Kendall; Condon, David, 2023, "Reproducibility Data: Two-Dimensional Rotation Ability Item Development", https://doi.org/10.7910/DVN/EL62UQ, Harvard Dataverse, V1 Mather, K. A., & Condon, D. M. (2023). Development of a Public-Domain Measure of Two-Dimensional Rotation Ability and Preliminary Evidence for Discriminant Validity among Occupations. Journal of Intelligence, 11(10), 191. |
| DOI | 10.3390/jintelligence11100191 |
| Licence | CC0 1.0 |
| Source data | https://dataverse.harvard.edu/dataset.xhtml?persistentId=doi:10.7910/DVN/EL62UQ |
| Responses | 1,905,487 |
|---|---|
| Respondents | 1,020,195 |
| Items | 304 |
| Response categories | 2 |
| Responses per respondent | 1.868 |
| Responses per item | 6268.049 |
| Density | 0.006 |
| Longitudinal | FALSE |
| age range | Mixed |
|---|---|
| child age (for child-focused studies) | Adolescent (12-18y) |
| sample | Internet-based |
| construct type | Cognitive/educational |
| measurement tool | Test |
| item format | Likert Scale/selected response |
| primary language(s) | eng |
| construct name | spatial abilities |
This table has item text in the IRW: the wording administered to respondents, not just the response codes.
| Instrument | Two-Dimensional Rotation (R2D) item pool, International Cognitive Ability Resource (ICAR) |
|---|---|
| Mean words per item | 1 |
| Mean characters per item | 2 |
| Mean characters per response | 8 |
| Flesch-Kincaid grade level | -3.400 |
cov_agecov_genderiditemresp
Or load it directly in R or Python:
# R
install.packages("remotes")
remotes::install_github("itemresponsewarehouse/Rpkg")
library(irw)
df <- irw_fetch("twod_rotation_mather2023")
# Python
pip install irw
import irw
df = irw.fetch("twod_rotation_mather2023")
| 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 |