

Indeed, it is a small sample size.
However, I think it’s possible that these results are true. If you understand relational frame theory, then you can see how the act of washing hands can activate some schemas or deactivate others.
Seen through this lens, the results of these experiments are not special, but are simply implications of an already established theory of cognition.
Yes. I suppose I’d like to try it. Maybe the cost is worth the benefits.