PSYC472 - Advanced Research Methods and Statistics - Statistics - mediation analysis Report Writing Assignment Help

PSYC472 Statistics  Advanced Research Methods and Statistics mediation analysis Report Writing Assignment Help

Assessment Help:

1.  A Level 2 APA heading titled Aims and Hypotheses. This section will include a paragraph with a
statement of the purpose of the analysis, to introduce the issue or problem, including:

a. The aim of the research including a detailed and concise description of the mediation (i.e., the total and indirect paths).
b. The single alternative hypothesis and the single null hypothesis that will be used to test the study aims.

2. A Method section under a Level 1 APA heading titled Method (Note: this will not be a full Method section), which should provide enough details about the materials and analyses to make the results understandable and allow other researchers to replicate the research. This section should include the following information under the appropriate sections:

a. Under a Level 2 heading, titled Materials, include:
i. A short description of each measure and what it is measuring. For this assignment, it is not required that you include a description of psychometrics (e.g.,validity/reliability).
ii. The response format of each measure.
iii. How each measure is interpreted.

b. Under a Level 2 heading, titled Analyses, please:
i. Provide details on the method of analysis and software used.
ii. Clearly identify the independent variable, the dependent variable, and the mediator.
iii. Provide two or three sentences (only) that summarise the overall results of the assumption testing and notes all assumptions tested. You should not report any statistics here, but, in instances where the assumptions were not met, you must provide the cut-off used, and the remedy and consequence.

3. In general, the Results section (under a Level 1 heading) should include (a) a clear description of the statistical results in relation to each finding and (b) references to the figures so that the figures complement the written description (see Tip 1 below). The results should have a logical structure that explains the relevant results as follows:
a. A description of each finding including the significance (see Tip 2 below) and direction of each association.
b. The bootstrapping result (Note: there will be no p-value here, you will instead interpret the CIs at .01 or .05). That is, you must determine, based on the information presented in your lecture and tutorial, which is the most appropriate to report.
c. A correctly labelled and formatted APA-style figure summarising the mediation analyses. In the figure, you need to present both the coefficient and significance for the total effect, direct effect, indirect effect and the two components of the indirect effect (i.e., paths a and b). You can draw this figure using the drawing tool in Word, PowerPoint, or similar programs. Please report the beta values with three decimal places. See in the ‘APA Stuff’ section of the Unit Guide for more information on APA rules in relation to decimal fractions.
d. A properly labelled APA-style figure illustrating the relative effect sizes of the direct and indirect paths. HINT: you can make this using the stacked column chart style in Excel or a similar program (please Google this if you are not familiar with Excel). As in point 5 above, please use three decimal places for beta values.

4. Under a Level 1 heading, titled Discussion, include a summary of the study findings. There are two approaches for interpreting a mediation analysis; specifically, you can interpret effect sizes or use Null Hypothesis Significance Testing (NHST). For the Discussion section of your abridged report you should include:

a. A clear and concise summary statement of the mediating effect in relation to the hypotheses. That is, briefly describe the fate of the hypotheses.
b. A description of the population of interest and whether the sample used in the study was appropriate/adequate to answer the research question. Note, you should consider the research question proposed under point 1a here.
c. An interpretation of the results of the study, focusing on contrasting the findings of the two approaches (i.e., effect sizes and NHST), and a concluding statement that considers the relative contributions of the various effect sizes and comments on the meaningfulness of the findings.

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