Shruti - to answer this question with clarity - you have to identify the context of your study to determine why and if a pilot study is required in the first instance.
Thank you sir. The need has been determined mainly because I will be implementing some modules as an intervention in my main study. Therefore, the pilot study is essential to understand the ease of understanding the modules
Shruti - Since in experimental research you have to manipulate one or more variables, and control and measure any change in other variables, It may be a good idea to first conduct a pilot-study before you do the real experiment. This ensures that the experiment measures what it should, and that everything is set up right. With a pilot study, you can get information about errors and problems, and improve the design, before putting a lot of effort into the real experiment. You can do a pilot experiment as a small scale preliminary study conducted in order to evaluate feasibility, time, cost, adverse events, and improve upon the study design prior to performance of a full-scale research study. I think, ideally, the sample you choose for pilot study should be members of the same group that you intend to target for the full study and should mostly be based on 5 to 10 participants.
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