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Related Experiment Video

Updated: Jun 21, 2025

A Tactile Automated Passive-Finger Stimulator TAPS

A Tactile Automated Passive-Finger Stimulator TAPS

Published on: June 3, 2009

A jsPsych touchscreen extension for behavioral research on touch-enabled interfaces.

Younes Strittmatter¹, Markus W H Spitzer², Nadja Ging-Jehli¹

¹Department of Cognitive, Linguistic, and Psychological Sciences, Brown University, Providence, USA.

Behavior Research Methods

|July 12, 2024

Summary

This summary is machine-generated.

Behavioral scientists can now use a new open-source touchscreen extension for online experiments. This tool allows for reliable data collection on touchscreens, matching keyboard performance in perceptual decision-making tasks.

Keywords:

Dot-motion kinematogram Online experiments Touchscreen experiments

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Last Updated: Jun 21, 2025

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An Assessment Method and Toolkit to Evaluate Keyboard Design on Smartphones

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Published on: October 5, 2020

Area of Science:

Behavioral Science
Human-Computer Interaction
Psychology

Background:

Online experiments are prevalent in behavioral science.
Keyboards remain the primary input, despite widespread touchscreen use.
Existing tools often overlook touchscreen input methods.

Purpose of the Study:

Introduce an open-source touchscreen extension for jsPsych.
Evaluate if standard behavioral findings persist on touchscreens.
Assess the validity of touchscreen data for online experiments.

Main Methods:

Developed an open-source touchscreen extension for the jsPsych framework.
Administered two perceptual decision-making tasks (random-dot kinematogram, Stroop task) via touchscreen and keyboard.
Compared performance metrics and observed effects between input methods.

Main Results:

Similar psychometric curves were observed for the random-dot kinematogram on both touchscreens and keyboards.
Significant task, congruency, and sequential congruency effects were detected in the Stroop task for both input versions.
Performance metrics were comparable across touchscreen and keyboard versions for both tasks.

Conclusions:

The open-source touchscreen extension is a viable tool for online behavioral data collection.
Touchscreen devices can reliably capture data for forced-choice tasks in online experiments.
This extension broadens the scope of online behavioral research to include touchscreen interactions.