Non Experimental and Experimental Methods Two critical factors that distinguish quantitative experimental research from quantitative non experimental research are manipulation of treatments and...

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Non Experimental and Experimental Methods


Two critical factors that distinguish quantitative experimental research from quantitative non experimental research are manipulation of treatments and randomization. Experimental designs are often preferred, as they control for unwanted variance and reduce threats to internal validity. However, sometimes the use of non experimental research is preferred when variables cannot be manipulated or random assignment is not possible. Compare and contrast non experimental and experimental techniques with respect to their aim of the research, and their strengths and weaknesses. Consider the concepts of experimental control, causality, randomization, and the third variable problem in your discussion. Provide one example of when a non experimental method would be used and one example of when an experimental method would be used. Post should be at least 300 words.





Answered Same DayMar 15, 2021

Answer To: Non Experimental and Experimental Methods Two critical factors that distinguish quantitative...

Sudipta answered on Mar 15 2021
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Non-Experimental and Experimental Methods
To compare and contract non-experimental and experimental met
hod of quantitative data it is important to understand what quantitative data is. Quantitative data refers to the data which is being presented in numerical form. For instance, the survey can be taken into consideration. The researcher design closed-ended questions in the survey, answers to these closed-ended questions are always decoded into numerical formal for analysing it effectively. Based on the research question, variables are selected and the researcher decides whether to opt for the experimental method or non-experimental method.
A non-experimental method is not applicable in the case of a third variable problem. Often a researcher takes more than two variables in their paper to determine relationships between variables. If the third variable is there then the researcher is bound to opt for an experimental research method. Experimental control refers to controlling other factors that are affecting the outcome. A non-experimental method is not...
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