What is Experimental Method of Data Collection?

Experimental method collects such data which can not be collected either by survey or observation method. Experiments are conducted to study and measure cause and effect relationship. According to the boyd and other “Experimentation refers to that research process in which one or more variables are manipulated under conditions which permit the collection of data. Which show the effects, if any, of such variables in unconfused fashion.” Based on the principles of scientific research, experimental method involves using a solution on a small scale to problem. For example, before selection a new product for commercial purpose, on experiment can be conducted in real market on a small scale under test marketing.

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