A study was conducted to examine the effect of heat and duration of stretching on the extensibility of hamstring muscles and their electromyographic responses to passive stretch in children with hypertonia and severe mental retardation. Twenty subjects were randomly assigned to the following four treatments with five subjects per treatment: (A) 10-second stretching, (B) 30-second stretching, (C) hot pack followed by 10-second stretching and (D) hot pack followed by 30-second stretching. The outcome measure is the increase in hamstring extensibility (Y) and the data are given in Table 4. Table 4 Treatment A B C 0.07 -0.19 1.11 0.57 1.24 0.5 1.28 2.19 (b) Obtain the ANOVA table. Y 0.62 0.64 1.08 1.25 0.34 0.48 2.03 1.11 1.12 0.64 1.08 1.79 Consider a one-way ANOVA to study the effects of the four treatments. Denote μA to μD as the means of increase in hamstring extensibility under treatments A to D respectively. (a) Estimate the parameters for the ANOVA model. (6) Using a = 0.05 to test whether or not the mean increase in hamstring extensibility is the
A study was conducted to examine the effect of heat and duration of stretching on the extensibility of hamstring muscles and their electromyographic responses to passive stretch in children with hypertonia and severe mental retardation. Twenty subjects were randomly assigned to the following four treatments with five subjects per treatment: (A) 10-second stretching, (B) 30-second stretching, (C) hot pack followed by 10-second stretching and (D) hot pack followed by 30-second stretching. The outcome measure is the increase in hamstring extensibility (Y) and the data are given in Table 4. Table 4 Treatment A B C 0.07 -0.19 1.11 0.57 1.24 0.5 1.28 2.19 (b) Obtain the ANOVA table. Y 0.62 0.64 1.08 1.25 0.34 0.48 2.03 1.11 1.12 0.64 1.08 1.79 Consider a one-way ANOVA to study the effects of the four treatments. Denote μA to μD as the means of increase in hamstring extensibility under treatments A to D respectively. (a) Estimate the parameters for the ANOVA model. (6) Using a = 0.05 to test whether or not the mean increase in hamstring extensibility is the
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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VIEWStep 2: a. The ANOVA model for this study is,
VIEWStep 3: b. The computation for ANOVA table:
VIEWStep 4: c. Test whether or not the mean increase in hamstring extensibility
VIEWStep 5: d. The 95% confidence:
VIEWStep 6: e. The 95% confidence interval for difference in means for treatment A and B:
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