Environmental Data: Survey data and R code for a choice experiment on ...

Description

This repository contains anonymised survey data, choice experiment material, and R code from a multilingual online survey of chocolate consumers in Switzer...

Citation

Rudolf, M., Olschewski, R. (2026). Survey data and R code for a choice experiment on ethical chocolate consumption and supply-chain governance in Switzerland. EnviDat. https://www.doi.org/10.16904/envidat.749.

Resources

• chocolate_survey_master.csv

  Anonymised master dataset from a multilingual online survey of chocolate consumers in Switzerland conducted in June 2024, including discrete choice experiment responses, questionnaire measures, and derived analysis variables.

  chocolate_survey_master.csv

• chocolate_survey_master_codebook.xlsx

  Codebook for the master dataset, including variable names, coding, labels, and mappings needed to interpret the deposited survey and choice experiment data.

  chocolate_survey_master_codebook.xlsx

• README.txt

  Overview of the deposited repository, including study context, data structure, included files, related studies, and guidance for reuse of the anonymised survey data and documentation.

  README.txt

• survey_questionnaire_documentation.pdf

  Documentation of the archived survey instrument, including questionnaire flow, thematic blocks, response scales, and the structure of the embedded discrete choice experiment.

  survey_questionnaire_documentation.pdf

• choice_experiment_design_documentation.txt

  Documentation of the discrete choice experiment design, including task structure, attribute levels, blocking, and design generation procedure.

  choice_experiment_design_documentation.txt

• README_code.txt

  Overview of the archived R code, including script purposes, software requirements, input data, and notes on reproducibility.

  README_code.txt

• 01_analysis_j.clrc_2025.R

  R script used to estimate the latent class model for the study on consumer preferences and policy-relevant ethical chocolate supply-chain profiles.

  01_analysis_j.clrc_2025.R

• 02_analysis_j.foodqual_2025.R

  R script used for descriptive analysis, factor analysis, invariance testing, and structural equation modelling for the study on ethical consumption intentions, behaviour, and policy support.

  02_analysis_j.foodqual_2025.R

• 03_analysis_j.ecolecon_2026.R

  R script used to estimate the integrated choice and latent variable model and willingness-to-pay analyses for the study on supply-chain governance cues and consumer constraints.

  03_analysis_j.ecolecon_2026.R

• session_info.txt

  Output file documenting the R version, platform, locale, attached packages, and installed package versions used for the archived analyses.

  session_info.txt