This page demonstrates the use of JavaScript in a web page to implement a very simple experiment. A single textual description is presented, followed by either of two questions, randomly selected for each user. The data is delivered by email. You can use a text editor to make changes to the HTML in this page and implement your own experiment. Simply edit the HTML source of this page, and make changes where the comments say "CHANGE HERE." Then save your changes and place the new file in your web directory.
This is a web-based demonstration experiment on reasoning and probabilities. Its primary purpose is to demonstrate a simple use of the web to collect data for students in a course in Experimental Psychology, but it also demonstrates a classic finding about how people reason with probabilities. Data is collected via email, and by sending your data you will also be transmitting your email address. If this were a real experiment, this section would be a separate page telling you all about your rights as a participant, and we would figure out some way to avoid recording your email address so that you could participate anonymously. But this is just a demonstration.
Jane is a quiet, somewhat shy person. Jane likes to read, and is very intelligent.