DATA ANALYSIS ASSIGNMENT

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Instructions: 

DATA ANALYSIS ASSIGNMENT

Instructions:

• Download the Excel data file for M5.
• Use this Word document to record your calculation/analysis processes and answers.
• Follow the instructions for each specific question as each will have different requirements.
• Upload the Word document when you are finished. Make sure the document has loaded successfully!

Information about the M5 data set for Q1 and Q3:

A longitudinal project was conducted to study the executive and memory functions of elderly residents in a community. The participants were assessed every few years with a set of cognitive tests. Demographic and health information was also collected. The data set for Q1 and Q3 has been adapted from the data from that project.

Data Preparation

Create an SPSS data file from the data set by importing the M5 Excel file into SPSS. Then configure the variables, the value labels, and the measures properly.

Q1. Perform and Interpret a One-Way ANOVA. (7 pts.)

The researchers would like to know if people’s education level affects the amount of decline in executive function as they age. For this analysis, education level ( Educ) is categorized into three levels and the change in executive function ( EFChange) has been calculated by subtracting the EF score at the first testing session from the EF score at the second testing session.

Use the EFChange and Educ data to perform a one-way ANOVA with α = .05 to answer the following question:Is there a statistically significant difference in the change of executive function across different education levels?

1. What is the null hypothesis? (1)
2. What are the dependent variable (DV) and the independent variable (IV)? (1) must be completely correct to earn point
3. Perform the ANOVA in SPSS, including running descriptives and the homogeneity of variance test.

You MUST copy-and-paste the output from SPSS in order to earn points for Q1 D, E, F, G. (Note: There are two routes to run 1-way ANOVA and both outputs are acceptable.) (1) for pasting output

1. Was the test for homogeneity of variance significant? Explain what the results mean relative to the data. (1), -.5 for incorrect significance, -.5 for incorrect equal variances
2. Report the results of the one-way ANOVA using symbols in the APA format, including the F statistic, the p-value, and the effect size ƞ2. (See the APA guide for reporting statistics in the Resources for Assignments module.) (1) must be completely correct to earn a point
3. What is the decision about the null hypothesis (reject or fail to reject) based on the test result?

(1) must be completely correct to earn a point

1. Create a bar graph or line graph to show the mean change in executive function for the different education groups. (1) pasted graph

Data Preparation for Q2

For this question set, import the worksheet “Q2data” into SPSS to create a new data file. (Be sure to upload the Q2 data sheet and not the Q1-Q3 datasheet.) This data set contains reading comprehension scores from a group of elementary school children who were in a special reading program. These children were tested when they entered the reading program in third grade, and then tested again in fourth grade, and finally tested as they left the program in fifth grade. Ensure that your data values, labels, and measures are correct before proceeding.

RUBRIC

	ORGANIZATION	FOLLOWING OF INSTRUCTIONS	NEATNESS AND OTHERS
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AVERAGE 40-74%	In the realm of an average essay, a moderate proficiency in the subject matter was observed. While the writer demonstrated a basic understanding of the topic, there were occasional lapses in organization and coherence. Arguments and analysis were presented, but there was room for improvement in terms of depth and clarity. The structure was adequate but lacked the refinement seen in higher-quality essays. Overall, the essay met the basic requirements but fell short of achieving a more polished and insightful presentation.	In the realm of an average essay regarding following instructions, there is a moderate adherence to guidelines. While the writer generally complies with the given instructions, there may be occasional deviations or oversights. The essay meets the basic requirements but lacks the meticulous attention to detail seen in higher-quality submissions. Despite a reasonable attempt to follow instructions, there is room for improvement in terms of ensuring a more precise alignment with the provided guidelines.	Essays falling into the average category regarding “Neatness and Others” demonstrate a moderate level of attention to detail. The organization is generally tidy, but there may be occasional lapses in formatting or presentation. Language usage is adequate, although there is room for improvement in terms of clarity and conciseness. Citations and references are appropriately included, but not with the finesse seen in higher-quality works. While meeting basic standards, these essays lack the polish and meticulousness associated with top-tier neatness.
GOOD QUALITY 0-39%	An essay categorized as good quality displayed a solid understanding of the subject matter. The writer effectively communicated their ideas, presenting a coherent and well-organized piece of work. While not reaching the level of excellence, this essay exhibited a commendable effort in critical analysis and argumentation. The structure was generally sound, with a clear introduction, development of ideas in the body, and a reasonable conclusion. With minor enhancements in depth and refinement, this essay had the potential to elevate to a higher quality.	An essay categorized as good quality in following instructions displays a solid effort in adhering to guidelines. The writer demonstrates a satisfactory understanding of the given instructions, with overall compliance. While there may be some minor lapses, the essay generally meets the specified criteria. With a bit more attention to detail and precision in following instructions, these essays have the potential to elevate to a higher quality in terms of adherence to guidelines.	In the realm of “Good Quality” for Neatness and Others, essays display a solid effort in organization and presentation. The layout is generally tidy, with a clear structure and acceptable formatting. Language usage is effective, though some areas may benefit from increased clarity. Citations and references are included appropriately, though not with the precision seen in top-tier works. With minor refinements in organization and attention to detail, these essays have the potential to enhance their overall neatness and move towards a higher quality classification.

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