ANOVAs by Hand - Show your work for all problems (use the back of the page...
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The following table summarizes the results of a two-factor ANOVA evaluating an independent- measures experiment with two levels of factor A three levels of factor B, and n= 5 subjects in each separate sample. a. Fill in all missing values in the table. (Hint: Start with the df column.) Source SS df MS Between Treatments 60 Fbtw = Factor A FA= 5 Factor B FB= Ах В 30 FAB= I Within Treatments Total
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Assume you're using an alpha of 05, and a two-tailed test, to make your decision about whether to reject the null hypothesis. Assume that 18 subjects received one of three treatments and produced the data reported in Data Set B. Conduct a one-way ANOVA to see if the means of the three treatments are different on a statistically significant level. Complete an ANOVA...
F p Questions: Use the source table shown below to answer questions 1 to 4. Source SS df MS Subjects 323 19 Treatment 72 4 18 Error 76 3 Total 623 99 6 < 0.05 228 1. Identify which type of ANOVA (Repeated-Measures or Factorial) was used to generate this source table, and explain how you determined your response. [1 mark] 2. Would the results of this test significant at a=0.05? How do you know this? [1 mark] 3. Would...
W. Thomas Boyce, a professor and pediatrician at the University of British Columbia, Vancouver, has studied interactions between individual differences in physiology and differences in experience in determining health and well-being. Dr. Boyce found that some children are more sensitive to their environments. They do exceptionally well when the environment is supportive but are much more likely to have mental and physical health problems when the environment has challenges. You decide to do a similar study, conducting a factorial experiment...
Aa Aa 11. Two-factor ANOVA Emphasis on calculations W.Thomas Boyce, a professor and pediatrician at the University of British Columbia, Vancouver, has studied interactions between individual differences in physiology and differences in experience in determining health and well-being. Dr. Boyce found that some children are more sensitive to their environments. They do exceptionally wel when the environment is suppo「tive but are much more likely to have mental and physical health problems when the environment has challenges. You decide to do...
W. Thomas Boyce, a professor and pediatrician at the University of British Columbia, Vancouver, has studied interactions between individual differences in physiology and differences in experience in determining health and well-being. Dr. Boyce found that some children are more sensitive to their environments. They do exceptionally well when the environment is supportive but are much more likely to have mental and physical health problems when the environment has challenges. You decide to do a similar study, conducting a factorial experiment...
A market research firm wants to pilot test children’s toys in stores. They collect data on attitude ratings (higher scores reflect more liking) for three different toys and find the following results: Legos (M = 5.5; N = 10), a football (M = 4.5; N = 10), and a NERF gun (M = 6.0; N = 10). They also calculated the between-group and within-group sum of squares (SSB = 262.2; SSW =1220.4). Use a one-way ANOVA (where α = .05)...
Please solve the problems (d),(e),(f),(g)
3. (20 pts) Do not use a computer to complete the answers for this problem. Show your work in all problems. Consider the following data: 2 -2 2 1 0 4 0 2 10 0 -2 8 Consider the multiple regression model where ci ~ iid N(0, σ*) for i 1, 2, 3, 4, 5. (a) Fill in the values for response vector, design matrix and coefficient vector: X- (b) Find the vector of least...
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Use the below source table to answer the following questions, df source B w т *** F 6.6 SS 34848 2816 6300.8 MS 1161.6 176 3 16 19 a) How many groups are there? b) Assuming equal n's, how many subjects are in each group? O c) Compute ota-aquared and report it to 2 decimal places, d) Computo omega-squared and report it to 2 decimal places. I .) The computed omego-squared is considered a effect size A...
SPSS Homework 1 Instructions: Review and One-Way ANOVAs (40 points) Please note that for all problems in this course, the standard cut-off (alpha) for a test of significance will be .05, and you always report the exact power unless SPSS output states p=.000 (you’d report p<.001). Also, remember that we divide the p value in half when reporting one-tailed tests with 1 – 2 groups. Problem Set 2: Pearson’s correlation (7 pts) Research Scenario: Is there a positive relationship between...