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Quantitative Methods

Quantitative Methods. Chapter 4. Quantitative Methods. Address quantity or amount of phenomenon. Common Characteristics. Measurement, Comparisons Data = Numbers Cause & Effect Generalization Standardized Measures. What is Measurement?.

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Quantitative Methods

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  1. Quantitative Methods Chapter 4 Community Research Methods (Chapter 4)

  2. Quantitative Methods • Address quantity or amount of phenomenon Community Research Methods (Chapter 4)

  3. Common Characteristics • Measurement, Comparisons • Data = Numbers • Cause & Effect • Generalization • Standardized Measures The Aims of Community Research (Chapter 3)

  4. What is Measurement? • Refers to assignment of numbers to objects or events according to specific rules • Ex: How was the movie? • Answer: it was a 9 out of 10

  5. Abstract ideas of research • Numbers that represent conceptual variables

  6. Love Successful Marriage Conceptual Variables $ spent on first date # years married Measured Variables

  7. Common Characteristics • Standardized instruments • Reliability: • Validity: Community Research Methods (Chapter 4)

  8. Quantitative Description • Correlation & Causation • Community Surveys • Epidemiology • Mapping Physical & Social Environments The Aims of Community Research (Chapter 3)

  9. Experimental Social Intervention • Designing & evaluating social programs • True experiments (randomizing differences) • Nonequivalent comparison group designs (matching or controlling for differences) • Dropout Prevention Program as nonequivalent design Community Research Methods (Chapter 4)

  10. Mixed Methods Designs The Aims of Community Research (Chapter 3)

  11. What do drivers do around the time of a traffic jam? Community Research Methods (Chapter 4)

  12. Anne Mulvey (2002) • Lowell Case Study • 15 year study • Safety & Quality of Life The Aims of Community Research (Chapter 3)

  13. Practice: Match the following columns • Quantitative Research • Qualitative Research • Sensitivity to participants’ interpretations • Standardization of measurement The Aims of Community Research (Chapter 3)

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