online-experiments

A jsPsych plugin for psychophysics

A Bayesian adaptive psychometric method for measuring thresholds in online experiments.

An approach of the development an automated A/B experiments platform

A toolbox for web-based experiments, including audiovisual trials and webcam capture. View demo here:

Introduction to Online Experiments using PsychoPy

New JsPsych plugin for draw in canvas and cursor position tracking

Open-source research platform for reproducible online behavioral experiments in virtual societies.

Robust 'massively scaleable' cloud-based online experiment runner. But with minimal hosting fees.

catR implementation in JavaScript. Provides Computerized Adaptive Testing (CAT) based on Item Response Theory (IRT) for psychological online experiments.

Online adaptive experiment on human exploration behavior · JavaScript · jsPsych · decision-making

Cross-platform software for testing spatial memory via object placement and judgement of relative direction tasks in the lab and online

Quarto Book to accompany Dr. Fink's Perception Lab course. This books steps through each week of the course, providing a high-level overview of content and assignments.

Run markerless motion-tracking experiments online. MediaPipe in the browser, Firebase for data, Python for analysis. Beginner-friendly, no build step.

Analyses of interpersonal coordination in memory and perception through a Dallinger-based online dyadic experiment.

R client for the JATOS REST API: credentials in the OS keyring, incremental downloads, analysis-ready data

Implementation of a solo semantic foraging task with the Empirica framework

CUPED variance reduction for A/B tests - reach statistical power with fewer samples using pre-experiment data. NumPy/SciPy only, zero heavy dependencies.

Standard Extensions for Variant Experiment Server

Provider-neutral AI evaluation toolkit for reusable test cases, regression datasets, provider adapters, deterministic and LLM judges, agent trajectory and security evaluation, statistical analysis, quality/cost/latency trade-offs, online experiments, evidence guardrails, and release gates.