# Creating web applications for online psychological experiments: A hands-on technical guide including a template

## TL;DR

This tutorial explains how to build web apps for online psychology experiments using HTML/CSS/JavaScript and provides a free open-source template to help researchers get started.

## Contribution

The paper introduces a free and open-source template for building web-based psychological experiments, designed for community improvement and modern practices.

## Key findings

- The tutorial enables unlimited flexibility in creating online experiments using standard web technologies.
- The provided template is open-source and aims to stay updated with the latest technological advancements.
- The resource is suitable for both beginners and experienced programmers in the field of psychological research.

## Abstract

The present tutorial provides a technical overview of how to create web applications for online psychological experiments from scratch via the HTML/CSS/JavaScript framework. This approach allows virtually unlimited flexibility in accomplishing anything in an online experiment that a regular computer (or smartphone, etc.) is capable of. Apart from offering a fast introduction for complete beginners, this tutorial may also serve as a helpful guideline for more experienced programmers and researchers. Connected to the tutorial, a specific implementation is also given via the free and open-source template project at https://github.com/gasparl/expapp, intended to be improved by the community to always follow the latest technological advancements and general good practices.