Experimental design is a research method in which researcher tries to examine causal effects by manipulating independent variable under controlled settings and measures whether it produces any change to the dependent variable. In an experiment experimenter deliberately imposes a treatment on a group of objects or subjects in the interest of observing the response. This differs from an observational study, which involves collecting and analyzing data without changing existing conditions. In an experimental design scientists try to find an experimental hypothesis. To support their hypothesis scientists measures to find significant difference between experimental group and control group when measuring a dependent variable which can be influenced by independent variable.
Independent variable: In an experiment independent variable is a factor or a treatment or something else that researcher manipulates to determine the cause-and-effect relations. An independent variable is a variable......

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Title: Experimental Design
Approximate Word Count: 930
Approximate Pages: 4 (250 words per double-spaced page)

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