1,812 rated or chosen profiles from 151 respondents, in up to 6 tasks of 2 profiles varying on 6 attributes.
| Description | COP29 participants (151 state representatives and non-state observers) chose between 2 UNFCCC reform proposals in each of 6 tasks, proposals varying presidency selection, decision-making, implementation focus, representation, role of observers and transparency. |
|---|---|
| Reference | Koliev, F., Nasiritousi, N., Buylova, A., & Linnér, B.-O. (2026). Reform preferences of key actors in the UNFCCC process. Nature Climate Change, 16(8), 915-921. |
| DOI | 10.1038/s41558-026-02723-9 |
| Licence | CC0 1.0 |
| Source data | https://doi.org/10.7910/DVN/ZYTBET |
These notes describe the source data, which the IRW reproduces as released. All notes are listed on the Data Notes page.
| Respondents | 151 |
|---|---|
| Rows (one per respondent, task and profile) | 1,812 |
| Tasks per respondent (most) | 6 |
| Profiles per task | 2 |
| Attributes | 6 |
| Tasks with no profile chosen | 0 |
| Topic | climate energy environment, international economy |
|---|---|
| A profile represents | policy |
| Country | unknown |
| Language shown | en |
| Language of stored levels | en |
| Task order | recorded in the deposit |
| Profile position | recorded in the deposit |
Outcomes:
| choice | Which proposal do you prefer (Proposal 1 or Proposal 2)? Please choose one. [choice, forced] |
|---|
attr_decision_makingattr_implementation_focusattr_presidency_selectionattr_representationattr_role_of_observersattr_transparencyattrpos_decision_makingattrpos_implementation_focusattrpos_presidency_selectionattrpos_representationattrpos_role_of_observersattrpos_transparencychoicecov_actor_groupcov_cop_experiencecov_regionidprofiletask
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("koliev_2026_unfccc_reform", source = "conj")
# Python
pip install irw
import irw
df = irw.fetch("koliev_2026_unfccc_reform", source="conj")
@article{Koliev_2026, title={Reform preferences of key actors in the UNFCCC process}, volume={16}, ISSN={1758-6798}, url={http://dx.doi.org/10.1038/s41558-026-02723-9}, DOI={10.1038/s41558-026-02723-9}, number={8}, journal={Nature Climate Change}, publisher={Springer Science and Business Media LLC}, author={Koliev, Faradj and Nasiritousi, Naghmeh and Buylova, Alexandra and Linnér, Björn-Ola}, year={2026}, month=July, pages={915–921} }
| 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 |