Exercise: selfhelpBook.sav A researcher is interested in assessing the effectiveness of a self-help book ("Men are from Mars, Women are from Venus") designed to increase relationship happiness. 500 participants read both the self-help book and a neutral book (statistics book). Relationship happiness is measured after reading each book. The order in which the books are read in counterbalanced and there is a six month delay between the two. (selfhelpBook.sav)
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question is wrong so please correct the question
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