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Unit 6 Assignment 1QDA

Unit 6 Assignment 1QDA

Unit 6 Assignment 1QDA

Correlations

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See the Resources area for links to resources that you will use for this assignment:

  • You will complete this assignment using the Data Analysis and Application (DAA) Template.
  • Read the SPSS Data Analysis Report Guidelines for a more complete understanding of the DAA Template and how to format and organize your assignment.
  • Refer to IBM SPSS Step-By-Step Guide: Correlations for additional information on using SPSS for this assignment.
  • If necessary, review the Copy/Export Output Instructions to refresh your memory on how to perform these tasks. As with your previous two assignments, your submission should be in narrative format with supporting statistical output (table and graphs) integrated into the narrative in the appropriate places (not all at the end of the document).

You will analyze the following variables in the grades.sav data set:

  • gender
  • gpa
  • total
  • final

Step 1: Write Section 1 of the DAA.

  • Provide the context of the grades. sav data set.
  • Include a definition of the specified variables and corresponding scales of measurement.
  • Indicate the type of correlation for each X, Y pair (Pearson’s r, Spearman’s r, point-biserial r, et cetera).
  • Specify the sample size of the data set.

Step 2: Write Section 2 of the DAA.

  • Test the assumptions of correlation for gpa and final.
  • Paste the SPSS histogram output for each variable and discuss your visual interpretations.
  • Paste SPSS descriptives output showing skewness and kurtosis values and interpret them.
  • Paste SPSS scatter plot output with “gpa” set to the horizontal axis and “final” set to the vertical axis. Conduct a visual inspection of the scatter plot to analyze other assumptions of correlation.
  • Summarize whether or not the assumptions of correlation are met.

Step 3: Write Section 3 of the DAA.

  • Specify a research question related to gpa and final.
  • Articulate the null hypothesis and alternative hypothesis.
  • Specify your alpha level.

Step 4: Write Section 4 of the DAA.

  • Paste the SPSS output of the intercorrelation matrix for all specified variables.
    • First, report the lowest magnitude correlation in the intercorrelation matrix, including degrees of freedom, correlation coefficient, p value, and effect size. Interpret the effect size. Specify whether or not to reject the null hypothesis for this correlation.
    • Second, report the highest magnitude correlation in the intercorrelation matrix, including degrees of freedom, correlation coefficient, p value, and effect size. Interpret the effect size. Specify whether or not to reject the null hypothesis for this correlation.
    • Third, report the correlation between gpa and final, including degrees of freedom, correlation coefficient, pvalue, and effect size. Interpret the effect size. Analyze the correlation in terms of the null hypothesis.

Step 5: Write Section 5 of the DAA.

  • Discuss the implications of this correlation as it relates to the research question.
  • Conclude with an analysis of the strengths and limitations of correlational analysis.

Submit your DAA Template as an attached Word document in the assignment area.

Resources

APA Style and Format.

  • attachment

    DataSet_PSY7864.sav
  • attachment

    Unit3Assign1GradedTeacherComments.docx

    PSY7864 – Section 12

    [U03A1] – HISTOGRAMS AND DESCRIPTIVE STATISTICS

    FRIPP , CHRISHAWN

    Use the following scoring guide, along with the project information, for evaluating each learner’s work.

    ASSESSMENT INSTRUCTIONS

    Overall Comments (Assignment grade 71%)

    Hi Chrishawn,

    You showed a strong understanding of the topics covered and did a nice job providing the SPSS output for the table! However, there were two areas that were not addressed. Always make sure that your document has all SPSS output before submission. Please feel free to message me with any questions. I am here to help and more than happy to! Unit 6 Assignment 1QDA

    -Dr. Estey

    CRITERION 1

    Apply the appropriate SPSS procedures for creating histograms to generate relevant output.

    (10%)

    COMPETENCY

    selectedNON-PERFORMANCENo SPSS output is provided.

    not selectedBASICIncludes some, but not all, of the required output. Numerous errors in SPSS output.

    not selectedPROFICIENTApplies the appropriate SPSS procedures for creating histograms to generate relevant output.

    not selectedDISTINGUISHEDIncludes all relevant output; no irrelevant output is included. No errors in SPSS output.

    COMMENTS:

    There were no histograms in this document. I sent you a courseroom message about this on Saturday, but did not receive a response. Always make sure that all figures are in the document before submissions.

    CRITERION 2

    Analyze the concepts of skew, kurtosis, outliers, symmetry, and modality for two histograms.

    (20%)

    COMPETENCY

    not selectedNON-PERFORMANCENo interpretation is provided.

    not selectedBASICExplains the basic definitions of skew, kurtosis, outlier, symmetry, and modality.

    not selectedPROFICIENTAnalyzes the concepts of skew, kurtosis, outliers, symmetry, and modality for two histograms.

    selectedDISTINGUISHEDEvaluates the concepts of skew, kurtosis, outliers, symmetry, and modality for two histograms.

    COMMENTS:

    Although the graphs were not present, you correctly interpreted the graphs that should have been generated.

    CRITERION 3

    Identify the strengths and limitations of examining a distribution of scores with a histogram.

    (15%)

    COMPETENCY

    selectedNON-PERFORMANCEDoes not identify the strengths and limitations of examining a distribution of scores with a histogram.

    not selectedBASICPartially identifies the strengths and limitations of examining a distribution of scores with a histogram.

    not selectedPROFICIENTIdentifies the strengths and limitations of examining a distribution of scores with a histogram.

    not selectedDISTINGUISHEDAnalyzes the strengths and limitations of examining a distribution of scores with a histogram.

    COMMENTS:

    I did not see where you discussed the strengths/limitations of examining a distribution of scores with a histogram.

    CRITERION 4

    Apply the appropriate SPSS procedure for generating descriptive statistics to generate relevant output.

    (10%)

    COMPETENCY

    not selectedNON-PERFORMANCENo SPSS output is provided.

    not selectedBASICIncludes some, but not all, of the required output. Numerous errors in SPSS output.

    selectedPROFICIENTApplies the appropriate SPSS procedure for generating descriptive statistics to generate relevant output.

    not selectedDISTINGUISHEDIncludes all relevant output; no irrelevant output is included. No errors in SPSS output.

    COMMENTS:

    You did a great job correctly generating the SPSS output. However, there were slight errors in some of the values reported. Please make sure that you are using the correct data set (the data set is posted in the Updates and Handouts discussion forum). Please message me if you have any questions about this.

    CRITERION 5

    Analyze meaningful versus meaningless variables reported in descriptive statistics.

    (15%)

    COMPETENCY

    not selectedNON-PERFORMANCEDoes not analyze meaningful versus meaningless variables reported in descriptive statistics.

    not selectedBASICIdentifies, but does not analyze, meaningful versus meaningless variables reported in descriptive statistics.

    selectedPROFICIENTAnalyzes meaningful versus meaningless variables reported in descriptive statistics.

    not selectedDISTINGUISHEDEvaluates meaningful versus meaningless variables reported in descriptive statistics.

    COMMENTS:

    You did a great job distinguishing between which variables were meaningful and which were meaningless. A little more evaluation of why this was the case with the meaningless variables would strengthen this section.

    CRITERION 6

    Interpret descriptive statistics.

    (20%)

    COMPETENCY

    not selectedNON-PERFORMANCENo interpretation is provided.

    not selectedBASICIdentifies, but does not interpret, descriptive statistics.

    not selectedPROFICIENTInterprets descriptive statistics.

    selectedDISTINGUISHEDEvaluates descriptive statistics.

    COMMENTS:

    Great work evaluating the descriptive statistics of these variables. This section hit each necessary point in the instructions and was very well organized. Nicely done.

    CRITERION 7

    Communicate in a manner that is scholarly, professional, and consistent with the expectations for members in the identified field of study.

    (10%)

    COMPETENCY

    not selectedNON-PERFORMANCEDoes not communicate in a manner that is scholarly, professional, and consistent with the expectations for members in the identified field of study.

    not selectedBASICInconsistently communicates in a manner that is scholarly, professional, and consistent with the expectations for members in the identified field of study.

    not selectedPROFICIENTCommunicates in a manner that is scholarly, professional, and consistent with the expectations for members in the identified field of study.

    selectedDISTINGUISHEDWithout exception, communicates in a manner that is scholarly, professional, and consistent with the expectations for members in the identified field of study.

    COMMENTS:

    BELOW are the highlighted areas in the assignment that the instructor commented on:

  • attachment

    cf_daa_template.docx

    DATA ANALYSIS AND APPLICATION TEMPLATE 1

    DATA ANALYSIS AND APPLICATION TEMPLATE 2

     

    Data Analysis and Application (DAA) Template

    Learner Name

    Capella University

     

    Data Analysis and Application (DAA) Template

    Use this file for all assignments that require the DAA Template. Although the statistical tests will change from week to week, the basic organization and structure of the DAA remains the same. Update the title of the template. Remove this text and provide a brief introduction. Unit 6 Assignment 1QDA

    Section 1: Data File Description

    Describe the context of the data set. You may cite your previous description if the same data set is used from a previous assignment.

    Specify the variables used in this DAA and the scale of measurement of each variable.

    Specify sample size (N).

    Section 2: Testing Assumptions

    1. Articulate the assumptions of the statistical test.

    Paste SPSS output that tests those assumptions and interpret them. Properly integrate SPSS output where appropriate. Do not string all output together at the beginning of the section.

    Summarize whether or not the assumptions are met. If assumptions are not met, discuss how to ameliorate violations of the assumptions.

    Section 3: Research Question, Hypotheses, and Alpha Level

    1. Articulate a research question relevant to the statistical test.

    2. Articulate the null hypothesis and alternative hypothesis.

    3. Specify the alpha level.

    Section 4: Interpretation

    1. Paste SPSS output for an inferential statistic. Properly integrate SPSS output where appropriate. Do not string all output together at the beginning of the section.

    2. Report the test statistics.

    3. Interpret statistical results against the null hypothesis.

    Section 5: Conclusion

    1. State your conclusions.

    2. Analyze strengths and limitations of the statistical test.

     

    References

    Provide references if necessary.