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✓ Published1🌍 Public
AAlena Egorova
Last edited Apr 7, 2023
Created on Apr 3, 2023

The visualization plots eye-tracking data from a study of 86 undergraduates solving math problems, showing how response metrics change over problem order. A dropdown menu selects which quantitative variable (average fixation duration, no-fixation percentage, or response time) appears on the y-axis, with points colored by correctness and a red trend line. The scatter plot uses `d3.scaleLinear` for axes, `d3.scaleOrdinal` with `d3.schemeCategory10` for color, and a hovering color legend that highlights correct or incorrect responses. Data is loaded as CSV via `d3.csvParse`.

AI-generated description

This is a dataset from WPI MAPLE Lab study conducted in 2021-2022. 86 undergraduate students solved math problems in the lab and their eye-movements during the solving process were collected with eye-tracking software. Each participant solved 24 problems: 12 with and 12 without brackets.

Data dictionary:

  • Participant_ID' - Anonymized participant ID. Categorical.
  • 'Problem_ID' - Problem title. Categorical.
  • 'Order' - The order of the problem in the experiment. Ordinal.
  • 'Brackets' - If equation contains brackets. Categorical.
  • 'Response_time' - How long did it take fot participant to response. Quantitative.
  • 'Correct_or_not' - If participant’s response was correct ot not. Categorical.
  • 'Average_duration_of_fixations' - How long participant fixated on each digit (on average). Quantitative.
  • 'No_fixation_percentage' - On how many digits participant did not fixate? Quantitative.

The following information could be visualized:

  1. Did average fixation duration change over the time of the experiment? Did it change differently in different participants?
  2. Was response time associated with correctness? Did this association change over the time of the experiment?
  3. Did people tent to answer longer in problems with brackets and did this association change over the time of the experiment?
  4. Was tendency to use peripheral vision associated with response corectness? Did this association change over the time of the experiment?
MIT Licensed

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