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After his brother accidentally put the peanut butter in the refrigerator, Carl heard his father say, "Well, that was smart." Carl understood that his father was not giving his brother a compliment and it did not mean that his brother was especially intelligent. This is an example of increased understanding of __________.

a. pragmatics b. the past imperfect tense c. the executive function d. conditional sentences

From an evolutionary perspective, the different mating strategies we observe in males and females are due primarily to

a. the cultural forces that control the sexual behavior of males and females. b. differences in the number of times males and females can reproduce. c. the capacity of men to have only one orgasm per sexual episode and the capacity of women to have multiple orgasms per sexual episode. d. the higher level of sexual interest in males and the lower level of sexual interest in females.