Most dieters eventually gain back the weight they lose

One of the authors knew a little boy named Jerry. He was about 3 years old. Jerry

was a terror. He would throw stones at cars and people, knock over other children's bikes, etc. His mother would smile at him and tell him to be a good boy whenever he did these things, but when her irritation mounted she would explode and punish him for some trivial thing. One of the main problems she had was (a) insensitivity to the effects of regression to the mean (b) lack of consistency (c) she generalized her responses inappropriately (d) she did not take into account the possibility that spontaneous recovery would occur

Science, unlike mathematics deals with _____ knowledge

(a) certain (b) absolute (c) relative (d) tentative (e) proven