{
  "name": "Ebbinghaus 1885, chapter VIII: relearning on six successive days",
  "desc": "Ebbinghaus 1885, chapter VIII, one row per value. quoted_value holds figures quoted from the sources named in study and source_location; derived_value holds values computed by Feedback & Forgetting from the inputs named in formula. All quoted values are from Ebbinghaus 1885 (public domain, author d. 1909); page numbers are given for the 1885 edition and the 1913 English translation. Quoted values are not covered by this site's CC BY 4.0 license; the publishers' terms apply. License for this site's selection, arrangement, notes and derived values: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). read_level records how much of each source was read: full text, abstract only, or citation only. 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/learning-memory/forgetting-curve/",
  "from": [
    "Ebbinghaus, H. (1885). Über das Gedächtnis. Leipzig: Duncker & Humblot, pp. 112 and 122 (public domain)"
  ],
  "how": "Compiled by Feedback & Forgetting from the data listed",
  "data_by": [
    "Ebbinghaus, H. (1885). Über das Gedächtnis. Leipzig: Duncker & Humblot. Public domain (author d. 1909)"
  ]
}