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Dropdown menu AE

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AAlena Egorova
Last edited Mar 23, 2023
Created on Mar 23, 2023

This interactive scatter plot shows how students’ average fixation durations change over the order of problems in an eye-tracking study, with points colored by correctness. A dropdown menu allows switching the y-axis among fixation duration, fixation percentage, and response time. The visualization uses d3.csvParse to load the dataset, d3.scaleLinear for axes, and d3.scaleOrdinal with schemeCategory10 for color encoding. A red trend line computed via least squares regression highlights overall patterns, while d3.axisBottom and d3.axisLeft render the axes.

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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