Paradox logo

Paradox is a Human Computation Game where the puzzles you solve can be derived from real-world problems.

Playing the game can help us understand how people solve these types of problems!

Northeastern University, College of Computer and Information Science
Name of Investigator(s): Seth Cooper
Title of Project: Engagement and Effectiveness in Human Computation and Entertainment Video Games
Version: v2017-10-18

Request to Participate in Research

We would like to invite you to participate in a web-based online game. The game is part of a research study whose purpose is to examine how participants play games and analyze how different game designs can affect engagement and performance. You may receive different game designs than other participants. Your interaction data will be recorded and analyzed. You may be asked to answer some questions about your experience. This task should take about 5 to 30 minutes to complete.

We are asking you to participate in this study because you are a member of a crowdsourcing platform. You must be at least 18 years old to play this game.

The decision to participate in this research project is voluntary. You do not have to participate and you can refuse to participate. Even if you begin the game, you can stop at any time.

There are no foreseeable risks or discomforts to you for taking part in this study.

There are no direct benefits to you from participating in this study. However, your responses may help us learn more about engagement and performance in games.

You will not be paid for your participation in this study.

Your part in this study is anonymized to the researchers. We will not save any information (e.g., user IDs) or ask you for any information that could be used to uniquely identify you. Any reports or publications based on this research will use only group data and will not identify you or any individual as being affiliated with this project. Data that are completely stripped of identifiable information may be made available online or shared with other researchers.

If you have any questions regarding electronic privacy, please feel free to contact Mark Nardone, NU’s Director of Information Security via phone at 617-373-7901, or via email at

If you have any questions about this study, please feel free to contact Seth Cooper, email:, the person mainly responsible for the research.

If you have any questions regarding your rights as a research participant, please contact Nan C. Regina, Director, Human Subject Research Protection, Mail Stop: 560-177, Northeastern University, Boston, MA 02115. Tel: 617-373-4588, Email: You may call anonymously if you wish.

This study has been reviewed and approved by the Northeastern University Institutional Review Board (#17-10-07).

Please note that the game may consume Internet data allocation if played on mobile devices, just as any other Internet game would.

By clicking on the "Agree and Begin" link below you are indicating that you consent to participate in this study. Please print out a copy of this consent form for your records.

Thank you for your time.

Seth Cooper

Agree and Begin