Singapore.
The next presenter in this session at ICA 2010 is CarrieLynn Reinhard, whose interest is in human sensemaking when engaging in virtual worlds. Lab-based experimental approaches to this are sometimes criticised for stressing internal over external validity, and for being unable to prove causality without the black box of the experimental setup - they rely on holding a number of variables constant in order to observe the effects of a predetermined, measurable variable in order to determine causality.