The two tasks have been kindly provided by Dr. Laura Germine, PhD at McLean Harvard Medical School for use in the BHOP.
Germine, L., Nakayama, K., Duchaine, B., Chabris, C., Chatterjee, G., & Wilmer,
J. (2012). Is the web as good as the lab? Comparable performance from web and
lab in cognitive/perceptual experiments. Psychonomic Bulletin & Review, 19(5):
847-857.