Give an example of an experiment in which using related samples would be ill-advised because of carry-over effects.
Answer to relevant QuestionsUsing the data in Table 13.2, ask whether people’s first guess is usually better than their second guess. (This parallels advice that you often receive about test taking to the effect that you should not go back and change ...If there was reason to believe that carry-over effects could influence the data on guessing behavior, how might we control such effects? Why would you use a paired t test in Exercise 13.6? The data are presented below, in fmol/ml: Based on these data, what effect does increased stress have on beta-endorphin levels? Using the data in Appendix D, use a t test to compare ADDSC scores of males and females. Why isn’t the difference between the results of Exercises 13.1 and 14.1 greater than it is?
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