Reliability and Validity in Quantitative Research
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Using a quantitative article that you previously selected, post the following information:
- Describe the variables used in the research and how they were measured. Describe any assessments that were used.
- Discuss the types of reliability that were reported for the measurement instrument (test-retest, inter-rater, parallel forms, split-half) and validity (content, construct, criterion).
- Using your textbook and the quantitative validity article assigned in this unit’s studies, linked in Resources, construct an external validity checklist and an internal validity checklist, noting how your selected article did address or could have addressed each issue.
- Discuss how the reliability and validity in the research contribute to the scientific merit of the research.
- Post the persistent link for the article in your response. Refer to the Persistent Links and DOIs guide, linked in Resources, to learn how to locate this information in the library databases.
- Cite all sources in APA style and provide an APA-formatted reference list at the end of your post.
Response Guidelines
After reviewing the discussion postings, choose one peer to respond to. For your response:
- Follow the persistent link to the article being discussed.
- Using the language of research, explain how you agree or disagree with your peer’s evaluation, offering your own suggestions for improving the research design.
Resources
- Discussion Participation Scoring Guide.
- APA Style and Format.
- Capella University Library.
- Persistent Links and DOIs.
- Experimental Methods in Political Science.
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