The Center for Behavioral Political Economy (CBPE) Lab is located in the 7th floor of the Social and Behavioral Sciences Building (Room S-736).
Upon exiting the elevators on the 7th floor, you will note the North and South corridors by the signs at the top of either archway.
Follow the South corridor past the Department of Political Science Main Office.
Follow the hall until you are forced to turn right.
The Center for Behavioral Political Economy's Decision Experiment Lab entrance is the second door on the right (S-736).