In Chapter 16 we had three different examples in which we compared three groups on the basis of smoking behavior. We can set this design up as a 3 × 3 factorial by using Task as one variable and Smoking group as the other. The dependent variable was the number of errors the participant made on that task. These data are repeated on the next page.
Answer to relevant QuestionsRun the analysis of variance on the data in Exercise 17.12 and draw the relevant conclusions. In Exercise 17.12 Nurcombe, Howell, Rauh, Teti, Ruoff, and Brennan (1984) conducted an intervention program with mothers of low-birth-weight infants (LBW). (It is often difficult to recognize signals from low-birth-weight infants, and the ...Data in Exercise 17.1. Use LazStats or MYSTAT to reproduce the results in Exercise 17.13. In the study discussed in Exercise 18.10, the authors also ran a control group under the same conditions, but without the BST intervention. Those data (for males) follow. (a) Calculate the means for these data and plot them ...
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