Week 2 Discussion 1

Paper details:Variables and Operational Definitions
In order to carry out research, researchers must define variables in terms of the actual procedures that will be used to measure or manipulate them. Operational definitions provide details regarding the procedures needed to measure a variable and if written precisely, can increase the measurement’s reliability and validity. Using your topic for the final paper, describe the dependent and independent variables of your proposed study, define their levels of measurement (i.e., nominal, ordinal, interval, or ratio), and provide operational definitions of each. Describe the rationale behind the definitions created, and how the adequacy of operational definitions can affect validity and reliability. Post should be at least 300 words. Respond to at least two of your classmates’ postings by Day 7.

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