3. Explain, using your own words, how quantitative and qualitative methodological approaches differ from each other. [6]

4. Neuman (2011) identified various types of quantitative research designs, including experimental design and quasi-experimental design.

4.1 In your own words, identify and discuss three designs associated with an experimental design. [6]

4.2 Mention any three types of quasi-experimental designs and discuss how they differ in terms of their characteristics. [6]



Answer :

Final answer:

Quantitative and qualitative methods differ in data type and analysis. Experimental designs include varied types with control over variables and causal inference.


Explanation:

Quantitative and qualitative methodological approaches differ primarily in the type of data they focus on and how they analyze it. Quantitative methods involve numeric data and statistical analysis, aiming to generalize findings to a larger population, while qualitative methods focus on non-numeric data like interviews and observations to understand meanings.

  1. Three designs associated with an experimental design:
    • Randomized Controlled Trials
    • Pre-Post Designs
    • Factorial Designs
  2. Three types of quasi-experimental designs:
    • Non-equivalent Control Group Design
    • Time Series Design
    • Regression-Discontinuity Design

    Each of these designs differs in terms of control over variables, randomization, and causal inference.


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