MANOVA/MANCOVA DISCUSSION ASSIGNMENT

Description
A researcher is comparing the ability to perform different reading/writing abilities. The dataset contains four dependent variables: reading comprehension, copy word, composition, and write word. The independent variable is ability (1=low, 2=medium and 3=high). Raven refers to Raven Standard Progression Matrices (similar to an IQ test, which was used to conduct the pretest).
*Please refer to SPSS Commands for tips on analyzing data.
Your task:
1) State the research hypotheses.
2) Perform MANOVA for this data set.
Does this meet the assumption of Homoscedasticity? Explain.
Are there significant differences between individuals in the three groups (i.e., low, medium, and high ability) with respect to their reading comprehension, ability to copy words, composition, and writing words? Provide support.
3) Perform a MANCOVA for this data set. Include the Raven test as covariate.
Describe the results, including pertinent tables.
Compare these results with the MANOVA test. Explain any differences.
Assignment Expectations
Length: Case assignments should be at least 3 pages (750 words) in length excluding tables.
References: Any references used should be from academic sources and cited using APA format.
Organization: Subheadings should be used to organize your paper according to question.
Format: This assignment should be written in a scientific format (as in the “Results” section of a peer-reviewed study). APA format is required for all assignments at the PhD level. Refer to the following guidelines in presenting tables and results in APA format: 1. APA Table Guidelines, 2. Reporting Results. See Syllabus page for more information on APA format.
Grammar and Spelling: While no points are deducted for minor errors, assignments are expected to adhere to standard guidelines of grammar, spelling, punctuation, and sentence syntax. Points may be deducted if grammar and spelling impact clarity.
The following items will be assessed in particular:
Relevance—All content is connected to the question.
Precision—Specific questions are addressed. Calculations, statements, facts, and statistics are specific and accurate.
Depth of discussion—Points are presented and integrated.
Evidence—Statements are well supported with facts, statistics or references.
Logic—Presented discussion makes sense; conclusions are logically supported by premises, statements, or factual information.
Clarity—Writing is concise and understandable, and subjects are sufficiently described.
Objectivity—The use of first person and subjective bias are avoided.
MANOVA overview
Laerd Statistics. (2018). One-Way MANOVA Using SPSS Statistics. Retrieved June 2018 from
https://statistics.laerd.com/spss-tutorials/one-way-manova-using-spss-statistics.php
Explain the rational of MANCOVA
French, A., Poulsen, J., and Yu, A. (2002). Multivariate Analysis of Variance (MANOVA).Retrieved March 2012 from http://userwww.sfsu.edu/~efc/classes/biol710/manova/MANOVAnewest.pdf
How to run MANOVA in SPSS
Statistics Solutions. (2020). Conduct and interpret a One-Way MANOVA. Retrieved June 2020 from https://www.statisticssolutions.com/conduct-interpret-one-way-manova/
Repeated measure
StatisticsSolutions. (2019). Conduct and interpret a repeated measures ANOVA. Retrieved September 23, 2019, from https://www.statisticssolutions.com/conduct-interpret-repeated-measures-anova/
Write-up results of tables and figures in APA format:
Quick, D. (N/A) Making Tables and Figures. Retrieved July, 2018 from: http://web.cortland.edu/hendrick/APA Making Tables and Figures.pdf
Kirk, S. How to write the results section. Retrieved from July, 2018 from: https://www.youtube.com/watch?v=pKAJz3eNxbg
MANOVA overview
Laerd Statistics. (2018). One-Way MANOVA Using SPSS Statistics. Retrieved June 2018 from
https://statistics.laerd.com/spss-tutorials/one-way-manova-using-spss-statistics.php
Explain the rational of MANCOVA
French, A., Poulsen, J., and Yu, A. (2002). Multivariate Analysis of Variance (MANOVA).Retrieved March 2012 from http://userwww.sfsu.MANOVA overview
Laerd Statistics. (2018). One-Way MANOVA Using SPSS Statistics. Retrieved June 2018 from
https://statistics.laerd.com/spss-tutorials/one-way-manova-using-spss-statistics.php
Explain the rational of MANCOVA
French, A., Poulsen, J., and Yu, A. (2002). Multivariate Analysis of Variance (MANOVA).Retrieved March 2012 from http://userwww.sfsu.edu/~efc/classes/biol710/manova/MANOVAnewest.pdf
How to run MANOVA in SPSS
Statistics Solutions. (2020). Conduct and interpret a One-Way MANOVA. Retrieved June 2020 from https://www.statisticssolutions.com/conduct-interpret-one-way-manova/
Repeated measure
StatisticsSolutions. (2019). Conduct and interpret a repeated measures ANOVA. Retrieved September 23, 2019, from https://www.statisticssolutions.com/conduct-interpret-repeated-measures-anova/
Write-up results of tables and figures in APA format:
Quick, D. (N/A) Making Tables and Figures. Retrieved July, 2018 from: http://web.cortland.edu/hendrick/APA Making Tables and Figures.pdf
Kirk, S. How to write the results section. Retrieved from July, 2018 from: https://www.youtube.com/watch?v=pKAJz3eNxbgedu/~efc/classes/biol710/manova/MANOVAnewest.pdf
How to run MANOVA in SPSS
Statistics Solutions. (2020). Conduct and interpret a One-Way MANOVA. Retrieved June 2020 from https://www.statisticssolutions.com/conduct-interpret-one-way-manova/
Repeated measure
StatisticsSolutions. (2019). Conduct and interpret a repeated measures ANOVA. Retrieved September 23, 2019, from https://www.statisticssolutions.com/conduct-interpret-repeated-measures-anova/
Write-up results of tables and figures in APA format:
Quick, D. (N/A) Making Tables and Figures. Retrieved July, 2018 from: http://web.cortland.edu/hendrick/APA Making Tables and Figures.pdf
Kirk, S. How to write the results section. Retrieved from July, 2018 from: https://www.youtube.com/watch?v=pKAJz3eNxbg

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