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Survey Research Defined

Survey Research Defined. Method for correlational reasoning Describe range of a single variable Predict relationship between two or more variables Typically used when argument/rationale for study leads to correlational theoretical prediction Typically not used to test causal hypotheses .

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Survey Research Defined

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  1. Survey Research Defined • Method for correlational reasoning • Describe range of a single variable • Predict relationship between two or more variables • Typically used when argument/rationale for study leads to correlational theoretical prediction • Typically not used to test causal hypotheses

  2. Survey Assumptions • Target population (theoretical domain) • Sample • random • systematic • True value =target population • Sample value is measured and computed • Infer (or estimate) population value from sample

  3. Survey Methods • Develop questionnaire measures for each variable • Systematically (or randomly) draw sample • Survey Delivery • mail • phone • face to face • Analyze results • Often cross-tabulate • Infer relationship between variables in the population • What is the probability these results would be found if there is no relationship in the population?

  4. Threats to Validity • External Validity: • Population definition • Non-random, non-systematic sampling • Low Response Rate • Measurement Validity • Poor operational definitions/measures • Context • clean air in January • Presidential performance during election season

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