Coordinate Plane Task

Licensing: Included with an Inquisit license.

Background

The Coordinate Plane Task is a visual-spatial perception and algebraic cognition test developed by David C. Geary and colleagues in 2015. It evaluates a participant's visual-spatial processing and ability to handle basic coordinate geometry, serving as a measure of mathematical competence tied to algebraic learning. Developed for research on ninth-grade students, the task helps assess how individual differences in spatial perception relate to broader algebraic achievement and mathematical problem-solving.

Task Procedure

The Millisecond Coordinate Plane Task runs 24 test trials (plus one practice trial) with pre-determined coordinates to place that are run in a fixed sequence. Participants receive a coordinate, e.g. (25/30), and are asked to place a red dot in the provided coordinate plane. Only if a red dot is placed, is a 'continue' button activated to advance to the next trial which starts after an intertrial interval of 500ms. The task is self-paced.

Practice Trial Coordinate Plane Task
Practice Trial Coordinate Plane Task

What it Measures

The Coordinate Plane Task measures the ability to translate numerical information into visuospatial locations across two dimensions simultaneously.

Psychological domains

  • Mathematical Cognition: Mental processes and activities involved in acquiring, understanding, and using mathematical knowledge
  • Visuospatial Processing: The brain's ability to perceive, interpret, analyze, synthesize, and mentally manipulate visual information and spatial relationships.

Main Performance Metrics

  • Euclidean Error Distance: Measure of distance error between placed dot and coordinate
  • Percent Absolute Error (PAE): Deviation from linearity for x and y coordinate placements relative to their respective axes

Psychiatric Conditions

The Coordinate Plane Task is not a standardized diagnostic tool used in clinical settings.

Coordinate Plane Task
A measure of visual-spatial perception by Geary et al (2015) in which participants are presented coordinate points and asked to place them in a coordinate plane.
Duration: 8 minutes
(Requires Inquisit Lab)
(Run with Inquisit Web)
Last Updated
English (English)
Nov 3, 2026, 8:52PM

References

Google ScholarSearch Google Scholar for peer-reviewed, published research using the Inquisit Coordinate Plane Task.

David C. Geary, Mary K. Hoard, Lara Nugent, Jeffrey N. Rouder (2015). Individual differences in algebraic cognition: Relation to the approximate number and semantic memory systems, Journal of Experimental Child Psychology, Volume 140, Pages 211-227.