University of Amsterdam / Amsterdam University of Applied Sciences
scen_prolific-free-choice-questions.csv (387.7 kB)


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posted on 2023-11-01, 13:24 authored by T.J. KlochowiczT.J. Klochowicz

The data has the following structure:

  • index: (int) individual for each reponse.
  • participant_id: (int) individual for each participant, common for each response of a participant.
  • item_id (int) individual for each pair of items presented (e.g. for pair Big Ben and London Eye is '3') accross participants.
  • items: (string) textual representation of the pairs of items divided by a comma. (e.g. "a dog, a cat")
  • type: ("test" or "filler") Distinguishes test items from fillers. In fillers the question does not contain dijunction, but just asks about a single item.
  • response_type: ("Yes". "No") the response of the interlocutor presented in the trial. (NOTE: this is not the response of the participant!)
  • context:  ("both", "neither", or "one") type of image that was displayed.
  • rt (int)  the reaction time in miliseconds
  • textual_answer, "Inaccurate" or "Accurate".
  • answer: (0 or 1) 0 if the participant answered "Inaccurate" and 1 if "Accurate".
  • condition ("true", "false", "target") distingushes baselines and arget conditions. 
  • correct: (0 or 1 or target) indicates whether the participant's answer was in line with the condition.
  • scenario: ("landlady" or "tourist office") determines which scenario was presented to the participant.
  • trial_id: individual for each pair of items and context presented (e.g. for pair Big Ben and London Eye where neither is allowed is '41') accross participants

The data set contains responses from 60 native speakers of English recruited through The study was approved by the Ethics Committee of the Faculty of Humanities of the University of Amsterdam (FGW-341). The participants were paid £2.25 for their participation. You can see the examples of trials and the full code of the experiment in other files in this folder.


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