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German, T. P., & Defeyter, M. A. (2000). Immunity to functional fixedness in young children. Psychonomic Bulletin & Review, 7(4), 707-712. Retrieved from http://search.ebscohost.com.ezproxy.biola.edu/login.aspx?direct=true&db=psyh&AN=2001-14334-015&login.asp&site=ehost-live
Nickerson, R. S. (1998). Confirmation bias: A ubiquitous phenomenon in many guises. Review of General Psychology, 2(2), 175-220. doi: 10.1037/1089-2680.2.2.175
Wiley, J. (1998). Expertise as mental set: The effects of ___domain knowledge in creative problem solving. Memory & Cognition, 24(4), 716-730. Retrieved from http://search.ebscohost.com.ezproxy.biola.edu/login.aspx?direct=true&db=psyh&AN=1998-10386-011&login.asp&site=ehost-live
Ollinger, M., Jones, G., & Knoblich, G. (2008). Investigating the effect of mental set on insight problem soving. Experimental Psychology, 55(4), 269-282. doi: 10.1027/1618-3169.55.4.269