Analysis of trend Chapter 5

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Analysis of Quadratic Trend
Analysis of Quadratic Trend A quadratic trend is one that displays concavity, a single bend either upward or downward. The coefficients of orthogonal polynomials in Appendix A.3 can be used to test quadratic trend. The testing of quadratic trend can be accomplished by the formulae on the next slide.
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 and 18: We Can Formulate Our Contrast
Page 19 and 20: Contrast Coefficients The c 1j are
Page 21: Evaluating the Linear Fit It can b
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

Analysis of trend Chapter 5

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