Read the article “Social evaluation by preverbal infants,” including the full (online) methods found in the journal Nature, Vol. 450, pp. 557–559, November 22, 2007, by J.K. Hamlin, K. Wynn, and P. Bloom and accessible at http://www.nature.com/nature/journal/v450/n7169/ full/nature06288.html via your school’s library or from your instructor. Embedded in the article are links to short video clips which may be useful in understanding the research design. After reading the article, answer the following questions.