In Exercise 14.8 a significant difference might lead someone to suggest that poor parent– child relationships are the cause of schizophrenia. Why might this be a troublesome conclusion?
Answer to relevant QuestionsMuch has been made of the concept of experimenter bias, which refers to the fact that for even the most conscientious experimenters there seems to be a tendency for the data to come out in the desired direction. Suppose we ...Calculate Cohen’s d^ for the data in Exercise 14.15. Why isn’t the difference between the results of Exercises 13.1 and 14.1 greater than it is? Assume that I have just conducted a study comparing cognitive development of lowbirthweight (premature) and normal-birthweight babies at one year of age. Using a score of my own devising, I found the sample means of the two ...Calculate the power of the anorexia experiment in Section 14.1, assuming that the parameters have been estimated correctly.
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