{
  "name": "Study File: Duncker's candle problem",
  "desc": "Study File card for Duncker's candle problem, one row per card field; the source column names where each value comes from. Data from Ibáñez de Aldecoa, de Wit & Tebbich (2021) and Kroneisen et al. (2021), both licensed CC BY 4.0, reworded into card fields, with the solving percentage recomputed; validity from Crossref records; the 1945 and 1952 studies were read only as citations. License for this site's selection and wording: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Checked 2026-11-06.",
  "lic": "CC BY 4.0",
  "lic_url": "https://creativecommons.org/licenses/by/4.0/",
  "by": "Feedback & Forgetting",
  "url": "https://feedbackandforgetting.com/creative-minds/candle-problem/",
  "from": [
    "Ibáñez de Aldecoa, de Wit & Tebbich (2021), Frontiers in Psychology, doi:10.3389/fpsyg.2021.683024 (CC BY 4.0)",
    "Kroneisen et al. (2021), Psychonomic Bulletin & Review, doi:10.3758/s13423-020-01802-y (CC BY 4.0)",
    "Crossref records and update search"
  ],
  "how": "Compiled by Feedback & Forgetting from the data listed",
  "data_by": [
    "Ibáñez de Aldecoa, P., de Wit, S., & Tebbich, S. (2021). Can habits impede creativity by inducing fixation? Frontiers in Psychology 12: 683024, doi:10.3389/fpsyg.2021.683024, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)",
    "Kroneisen, M., et al. (2021). How can I use it? The role of functional fixedness in the survival-processing paradigm. Psychonomic Bulletin & Review 28(1), 324–332, doi:10.3758/s13423-020-01802-y, CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)",
    "Duncker (1945), doi:10.1037/h0093599; Adamson (1952), doi:10.1037/h0062487 (citation records only; no values)"
  ]
}