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Non-experimental Quantitative Research Designs (NEQDs)

Non-experimental Quantitative Research Designs (NEQDs). What Are They?. A research design in which the researcher measures or observes subjects or variables without attempting to introduce a treatment. How Could I Use NEQDs for Program Evaluation ?.

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Non-experimental Quantitative Research Designs (NEQDs)

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  1. Non-experimental Quantitative Research Designs (NEQDs)

  2. What Are They? • A research design in which the researcher measures or observes subjects or variables without attempting to introduce a treatment.

  3. How Could I Use NEQDs for Program Evaluation? • Explore the relationship(s) between two or more variables or elements of a program. • Use the knowledge of two correlated variables to inform practice or program revisions and implementation. • NEQDs can require the usage of an underling theory to explain or interpret correlations. • Control variables are then employed to further rule out the effects of extraneous variables on the variables that a theory may have causally linked.

  4. Types of NEQD

  5. Examples

  6. Examples (Simple Regression) +0.68 +0.75 +0.52 +0.33

  7. Examples (Multiple Regression) +0.12 +0.78

  8. Examples (Multiple Regression) .55 .12

  9. What if We Want More? What tools are available to analyze systems with multiple (and possible causal) relationships?

  10. A Little More…Path Analysis

  11. A Little More…Path Analysis

  12. Advantages • Allows for: • the study of independent variables over which the research cannot have any control. • the manipulation of variables in theory that cannot often be manipulated in practice. • the study of variables as they exist.

  13. Disadvantages • Determining causality and/or the direction of causality. • Mutual causality • Selection bias • Spurious Correlations

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