## PSY 210 Assignment 2 Analyzing with Anova Recent

PSY 210 Assignment 2 Analyzing with Anova Recent

**Submit your answers to the following questions using the ANOVA source table below. The table depicts a two-way ANOVA in which gender has two groups (male and female), marital status has three groups (married, single never married, divorced), and the means refer to happiness scores (n = 100):**

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**1.What is/are the independent variable(s)? What is/are the dependent variable(s)?
2.What would be an appropriate null hypothesis? Alternate hypothesis?
3.What are the degrees of freedom for 1) gender, 2) marital status, 3) interaction between gender and marital status, and 4) error or within variance?
4.Calculate the mean square for 1) gender, 2) marital status, 3) interaction between gender and marital status, and 4) error or within variance.
5.Calculate the F ratio for 1) gender, 2) marital status, and 3) interaction between gender and marital status.
6.Identify the critical Fs at alpha = .05 for 1) gender, 2) marital status, and 3) interaction between gender and marital status.
7.If alpha is set at .05, what conclusions can you make?
Source Sum of Squares (degrees of freedom [df]) Mean Square Fobt. Fcrit.
Gender 68.15 ? ? ? ?
Marital Status 127.37 ? ? ? ?
Gender * Marital Status (A x B) 41.90 ? ? ? ?
Error (Within) 864.82 ? ? NA NA
Total 1102.24 99 NA NA NA**

**Please Note: The table that you see in the assignment has been slightly modified from the one presented in the module notes since it is beyond the scope of this unit to have students calculate p values. Instead you are asked to calculate the F value and compare it to the critical F value to determine whether the test is significant or not.**

**Suppose you were going to create your own study to examine what course-delivery format (online, blended, or face-to-face) leads to the best performance in a psychological statistics class. In a paper identify the following for your study:**

**What is your research question?
What is your hypothesis (both null and alternate)?
Is this a qualitative or quantitative design (based on type of variable collected) and why?
Is this a descriptive, correlational or experimental design and why?
What would be an example of a variable for this study that could be measured on a nominal scale? Ordinal scale? Interval scale? Ratio scale?
Once you have collected your data, would you use inferential or descriptive statistics and why?
Create a sample frequency distribution for one of the variables. Choose either a simple or grouped frequency distribution and explain your choice.**