3,151 rated or chosen profiles from 3,151 respondents, in up to 1 tasks of 1 profile varying on 2 attributes.
| Description | Japanese adults (Lucid, n = 3,151) read one newspaper-style vignette about a hypothetical municipal council candidate whose gender (Yasuko vs Yasuhiko Takahashi) and motivation for running (ambition revealed vs encouraged by others) were randomized (2 x 2), and rated favorability, expected popularity and six personal traits. |
|---|---|
| Reference | Endo, Y., & Ono, Y. (2025). Emphasizing or downplaying political ambitions: Exploring the role of candidate gender in shaping voter perceptions. Electoral Studies, 98, 103004. |
| DOI | 10.1016/j.electstud.2025.103004 |
| Licence | CC0 1.0 |
| Source data | https://doi.org/10.7910/DVN/C8ECQA |
These notes describe the source data, which the IRW reproduces as released. All notes are listed on the Data Notes page.
| Respondents | 3,151 |
|---|---|
| Rows (one per respondent, task and profile) | 3,151 |
| Tasks per respondent (most) | 1 |
| Profiles per task | 1 |
| Attributes | 2 |
| Topic | candidate choice |
|---|---|
| A profile represents | person |
| Country | JP |
| Language shown | ja |
| Language of stored levels | en |
| Task order | inferred from row order |
| Profile position | inferred from row order |
Task order or profile position was rebuilt from row order; analyses of position or task order should leave it out.
Outcomes:
| rating_ambition | Perceived personal trait of the candidate: ambitious (paraphrase) [rating, 1 (unknown) to 5 (unknown)] |
|---|---|
| rating_compassion | Perceived personal trait of the candidate: compassionate (paraphrase) [rating, 1 (unknown) to 5 (unknown)] |
| rating_competent | Perceived personal trait of the candidate: competent (paraphrase) [rating, 1 (unknown) to 5 (unknown)] |
| rating_consensus_building | Perceived personal trait of the candidate: good at consensus building (paraphrase) [rating, 1 (unknown) to 5 (unknown)] |
| rating_decisive | Perceived personal trait of the candidate: decisive (paraphrase) [rating, 1 (unknown) to 5 (unknown)] |
| rating_favorability | How favorable an impression do you have of this candidate? (paraphrase) [rating, 1 (not favorable at all) to 4 (very favorable)] |
| rating_popular | How likely is it that this candidate would be popular among people around you? (paraphrase) [rating, 1 (highly unlikely) to 5 (very likely)] |
| rating_trust | Perceived personal trait of the candidate: trustworthy (paraphrase) [rating, 1 (unknown) to 5 (unknown)] |
attr_candidate_genderattr_motivationcov_agecov_education_codecov_gendercov_ideology_codecov_party_idcov_prefecture_codecov_regionidprofilerating_ambitionrating_compassionrating_competentrating_consensus_buildingrating_decisiverating_favorabilityrating_popularrating_trusttask
The layout (one row per respondent, task and profile; choice/rating outcomes; attr_ columns holding each attribute level as displayed) is defined in the IRW conjoint standard. What the outcomes asked is under Design above.
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("endo_2025_candidate_ambition", source = "conj")
# Python
pip install irw
import irw
df = irw.fetch("endo_2025_candidate_ambition", source="conj")
@article{Endo_2025, title={Emphasizing or downplaying political ambitions: Exploring the role of candidate gender in shaping voter perceptions}, volume={98}, ISSN={0261-3794}, url={http://dx.doi.org/10.1016/j.electstud.2025.103004}, DOI={10.1016/j.electstud.2025.103004}, journal={Electoral Studies}, publisher={Elsevier BV}, author={Endo, Yuya and Ono, Yoshikuni}, year={2025}, month=Dec, pages={103004} }
| IRW version | v584 |
|---|---|
| Redivis dataset | irw_conjoint v4.2 |
| Redivis dataset DOI | 10.57761/qkye-q530 |
| Manifest pin for this IRW version | v4.2 |
| Metadata source | irw_meta v44.0 |