Which of the following is an incomplete experimental research design?

1. Before and after with control group design

2. Factorial design

3. One group before-after design

4. Latin Square design

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UGC Paper 2: Commerce 6th Dec 2019 Shift 2
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Option 3 : 3
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UGC NET Paper 1: Held on 21st August 2024 Shift 1
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The Experimental Research Design:

  1. The experimental design is a way to carefully plan experiments in advance so that your results are both objective and valid.
  2. The terms “Experimental Design” and “Design of Experiments” are used interchangeably and mean the same thing.
  3. However, the medical and social sciences tend to use the term “Experimental Design” while engineering, industrial, and computer sciences favor the term “Design of experiments.”

Design of experiments involves:

  1. The systematic collection of data
  2. A focus on the design itself, rather than the results
  3. Planning changes to independent (input) variables and the effect on dependent variables or response variables
  4. Ensuring results are valid, easily interpreted, and definitive.

The following are the Experimental research design:

  1. Before and after with control group design
  2. Factorial design
  3. Latin Square design

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One group before-after design is a type of quasi-experimental design in which the dependent variable is treated once before the intervention is introduced, and then after the implementation of an intervention. A quasi-experimental design is similar to another experimental design, but they lack random assignment, hence they are incomplete experimental designs.

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