If I want to do survey related to the time of using mobile phone, do you suggest using a valid questionnaire ? or I can do questionnaire by my own?
Most articles I reviewed used valid questionnaire because they connect between using mobile phone for example and medical issues.
In my case, I don't have any medical thing to talk about so it's acceptable to do the questionnaire by my own.
Hi dear Sarah
It is not acceptable to write and use your own questions, but if your questions are suitable and some of your professors read and accept them, you can use.
First of all, the questioner must be relative to your fields and your goals.
Secondly, the main aspect of a questionnaire is being accepted by most of the professionals or professors which are working in this area.
In most countries, the experiments and data collection from a human is strictly regulated, and surveys need approval. You need to explore the regulations in the given area and decide accordingly.
The questions, the people's database (mobile numbers), and how you handle their data are all important to conduct an ethical research.
Dear Sara,
I emphasize what Robert Istvan Radics stated earlier. Regarding your question, it is important to identify the data you want to collect according to your research question(s). Such data that can be recognized as variables could be classified as facts and/or opinions. If the data you are about to collect are facts, then you design your own questionnaire that encompasses all the required data. On the other hand, if the data are opinions, you need to develop and validate a measurement(s) for these opinions or use an already validated measurement.
Good luck with your research
You are free to write your own questions (subject to approval by the ethics review board at your institute). The issue is not medical, it is about using human subjects. It is required by your institute, governmental agencies, and most journals that might publish your work. You either need a letter by the ethics review board granting approval or stating that this work is exempt from approval. This process helps to protect everyone involved.
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