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An educational specialist develops a new teaching technique for an introduction to psychology course. The educational specialist knows that typically scores on a well validated

An educational specialist develops a new teaching technique for an introduction to psychology course. The educational specialist knows that typically scores on a well validated measure of psychology knowledge are normally distributed with a known population average () and a known population standard deviation (). The educational specialist administers the new teaching technique to a new sample of students (n), not knowing if it will improve their knowledge or not, and who subsequently score an average (M) on the measure of psychology knowledge. What conclusion can the educational specialist make based on the results of this research strategy? Use all of the data provided to you in the next question and test at an alpha of 0.05. Are the results meaningful? Do the calculations to answer this question using the following data and input the number in the answer box to 2 decimal places: = 19.47 = 29.14 M = 26.49

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