Title: Failed Methodology, Rash Claims
Product review: While at the surface this may appear to be a great book, underneath lies a foundation of flaws. First of all, the entire book is based off of a .25 correlation. For anyone that knows anything about correlations, that is anything but strong. The other huge mistake the authors make is to imply causation-- increases in leadership will lead to increases in student achievement. Have you ever heard, "correlation does not imply causation"? That saying is there for a reason. The authors spend the entire book making rash, over-interpreted claims based on a correlation from a study that has more methodological flaws than can even be discussed here. Save you money or if you so choose to buy it, READ WITH CAUTION!!
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