From 2004 to present, the USA IAT was available on the Project Implicit Canada website (https://implicit.harvard.edu/implicit/canada/selectatest.jsp Click on “Countries” to try it yourself or https://implicit.harvard.edu/implicit/canadafr/selectatest.jsp for the French version Click on "Pays" to try it yourself ). The USA IAT includes one standard IAT (Good vs. Bad; Canada vs. United States), sets of explicit measures on attitudes related to the countries (such as preference for United States and Canada etc.), set of demographic questions (age, gender, race, major, political identity, etc.), and debriefing questions about how respondents thought about their IAT score after the task. The study can be taken in English or French. From 2004 to the end of 2016, there are 44,828 session IDs created for the USA IAT (English version), and the overall completion rate is around 52.5%. There are 27,161 respondents who completed the standard IAT part of the task, which is 60.6% of the total respondents. From 2006 to the end of 2016, there are 3,016 session IDs created for the USA IAT (French version), and the overall completion rate is around 47.6%. There are 1,436 respondents who completed the standard IAT part of the task, which is 47.6% of the total respondents. Please contact Project Implicit at admin@projectimplicit.net for any question, comment or zip code data request.