In an effort to make life easier for Xlab and Behavioral Lab users, we merged the web sites for the Haas Behavioral Laboratory ( and the Experimental Social Science Lab ( The new URL is:

Those with Xlab accounts will have the same username and password. Behavioral Lab accounts will have the same usernames but will receive new password information via email. If you do not receive the new account password, please contact us at

NOTE: Submitting multiple entries under different names is an act of identity fraud and a criminal offense.

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