Not so much useful as interesting, this article published by the National Academy of Sciences argues that the Whorfian hypothesis is more strongly observed in one's Right Visual Field as opposed to the Left Visual Field when using the experiment with colors and the language associated with it.

One of the first sites that came up on google, but a more thorough, more easily understandable explanation of the hypothesis. It's valuable because it provides citations supporting the hypothesis and other information directly from Sapir and Whorf