Analysis of trend Chapter 5

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Contrast Test <strong>of</strong> Hypothesis We can test the hypothesis: H 0: Ψ = 0 This is the p-value for the contrast hypothesis test
Contrast Coefficients The c 1j are the linear coefficients in Appendix A.3 (e.g., -3, -1, 1, 3, for a = 4) and df num = 1 and df denom = a(n-1). The four means can be plotted and a straight line can also be drawn. The straight line (i.e., the linear function) does not fit the data perfectly.
Page 1 and 2: ANALYSIS OF TREND CHAPTER 5 ERSH 83
Page 3 and 4: Today’s Example Data Training Tim
Page 5 and 6: The Task… P. 89, continued…
Page 7 and 8: Trend Analysis Trend analysis is a
Page 9 and 10: Tracking Task…Bringing You To Our
Page 11 and 12: Testing for Linear Trend A way of
Page 13 and 14: Example in SPSS Click on the “Co
Page 15 and 16: Means Plot (Is There A Trend?)
Page 17: We Can Formulate Our Contrast
Page 21 and 22: Evaluating the Linear Fit It can b
Page 23 and 24: Analysis of Quadratic Trend A quad
Page 25 and 26: Testing Quadratic Trend with df num
Page 27 and 28: SPSS Output Is our quadratic trend
Page 29 and 30: Higher-Order Trend Components Test
Page 31 and 32: Issues in Trend Analysis There are
Page 33 and 34: Final Thought Trend analysis take

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