Ruud van der Weel
@ruudvdweel
As Professor of Cognitive Psychology it worries me that 8 out of 5 people have problems with arithmetic.
ID: 49584498
http://www.svt.ntnu.no/psy/nulab/home.html 22-06-2009 09:38:23
138 Tweet
164 Followers
293 Following
@ruudvdweel
As Professor of Cognitive Psychology it worries me that 8 out of 5 people have problems with arithmetic.
ID: 49584498
http://www.svt.ntnu.no/psy/nulab/home.html 22-06-2009 09:38:23
138 Tweet
164 Followers
293 Following