A psychologist is studying pattern recognition skills of fourth grade children under 4 different conditions. The...
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A psychologist is studying pattern recognition skills of fourth grade children under 4 different conditions. The child is given a test with 10 patterns to identify. In setting 1, the child is given praise with each correct answer. In setting 2, the child is given criticism for each wrong answer and no comment on correct answers. In setting 3, the child is given no praise or criticism, but the observer expresses interest in what the child is doing. In setting 4, the observer remains silent watching from a different room through a one-way mirror. The data gathered follows: Setting n Mean SD 5 8.20 0.8367 2. 4 3.50 1.2910 3. 6 6.33 2.1602 4 5 5.60 1.6733 By considering the standard deviations, explain why it is appropriate to perform a one-way (4) a) ANOVA test on this data. (4) b) State the null and alternate hypothesis. (12) c) Perform a one-way ANOVA test by hand. A psychologist is studying pattern recognition skills of fourth grade children under 4 different conditions. The child is given a test with 10 patterns to identify. In setting 1, the child is given praise with each correct answer. In setting 2, the child is given criticism for each wrong answer and no comment on correct answers. In setting 3, the child is given no praise or criticism, but the observer expresses interest in what the child is doing. In setting 4, the observer remains silent watching from a different room through a one-way mirror. The data gathered follows: Setting n Mean SD 5 8.20 0.8367 2. 4 3.50 1.2910 3. 6 6.33 2.1602 4 5 5.60 1.6733 By considering the standard deviations, explain why it is appropriate to perform a one-way (4) a) ANOVA test on this data. (4) b) State the null and alternate hypothesis. (12) c) Perform a one-way ANOVA test by hand.
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Related Book For
Statistics Principles and Methods
ISBN: 978-0470904114
7th edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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