** edu variable (wrongly coded) - edu_11 was blank until 9/4/2018, if you downloaded the data file before that date please download the updated file** From 2004 to present, the Age IAT was available on the Project Implicit Germany website (https://implicit.harvard.edu/implicit/germany/selectatest.jsp, Click on “Alter” to try it yourself. The Age IAT includes one standard IAT (Good vs. Bad; Young vs. Old), sets of explicit measures on attitudes related to age (such as preference for old people and young people 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 is in German. From 2006 to the end of 2016, there are 37,107 session IDs created for the Age IAT, and the overall completion rate is around 44.3%. There are 19,978 respondents who completed the standard IAT part of the task, which is 53.8% of the total respondents. Please contact Project Implicit at admin@projectimplicit.net for any question, comment or zip code data request.