(a) You decide whether a forthcoming examination is likely to be “diffi cult” (as opposed to “easy”) by construing previous examinations in that course as “diffi cult” or “easy.” (b) On reaching this...

(a) You decide whether a forthcoming examination is likely to be “diffi cult” (as opposed to “easy”) by construing previous examinations in that course as “diffi cult” or “easy.” (b) On reaching this point in the book, you decide that the remaining material may be interesting or uninteresting. (c) On reaching this point in the book, you decide that none of the remaining material can possibly be interesting. (d) All too many authors seem to assume that a textbook must only be “scholarly,” and not also “entertaining.”