Evaluation Variables.docx - Evaluation Variables o Working...

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Evaluation Variables o Working with Variables Independent Variables – the intervention Dependent Variables – what you are seeking to affect (blood pressure, cholesterol, BMI, etc) Confounding Variables – factors that could interfere with the independent and dependent variables (budget, weather, staff, schedules, etc) o Simple Versus Complex Variables Simple – easy to define and quantify (VO 2 max, blood pressure, cholesterol, flexibility, etc) Complex – multidimensional and require effort (absenteeism, health care utilization, turnover, productivity, etc) o Objective Versus Subjective Variables Objective – universally accepted definitions, measured by universally accepted methods, result in universally accepted results Subjective – person’s opinions or feelings, cannot be universally measured Absenteeism Example o Participation as a Dependent Variable Participation – most common dependent variable used in worksite health promotion PROBLEM WITH THIS APPROACH?
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