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1. Quantitative research data is represented how? 2. What does it mean to operationalize a concept? 3. In a causal-comparative study, what is the difference between independent variables and dependent variables? 4. A survey of foreign students in English language classes asks their country of birth and their age. How many variables are being studied?
5. What are nominal variables? 6. Continuous variables come in two types: ratio variables and interval variables.