Collecting Primary Data

Primary research is important as I can fit it directly to my project. It's also good to develop my skills and increase validity.
My primary research will either be a questionnaire or verbal interview on views of astrology. I will think of some questions and ask my mentor if they are suitable for my project, checking for leading questions and too much quantitative data being collected. I will gather the general public's opinions and what their knowledge is before moving into scientific parts of my research.
I will be careful to avoid the mum test (not getting general feedback because your family and friends want to please you) and the best self model (people put forward what they think is their best self so the data gathered isn't valid) to avoid demand characteristics.