Please make sure that it is your own work and not copy and paste of off someone else work. This is a DBA course and needs to be done on this level. Please watch out for spelling errors and grammar errors. Please read the study guide. Please Use the APA 7th Edition.
Book Reference: Gliner, J. A., Morgan, G. A., Leech, N. L. (2017). Research methods in applied settings: An integrated approach to design and analysis (3rd ed.). Routledge. https://online.vitalsource.com/#/books/9781317526896
Instructions
For this assignment, you will write an essay and describe the differences between the theoretical or target population, the accessible population, the selected sample, and the actual sample. Provide examples of each.
Then, in your own words, describe what is meant by measurement validity and measurement reliability, and discuss the relationship between the two.
Your essay should be a minimum of two pages in length, not counting the title or reference pages. You must support your essay with at least three peer-reviewed sources from the CSU Online Library. Be sure to include an introduction for this assignment. This assignment should adhere to APA formatting.
Resources
The following resource(s) may help you with this assignment.
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UnitIIIResearchStudyguide.pdf
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citation_guide_7th_edition.pdf