While much research has been conducted on how an individual develops a given sexual orientation, many people question the validity of this research citing that the participants used may not be representative. Why do you think this might be a legitimate concern?

One of the main reasons that this might be a legitimate concern is that given the stigma that comes with being non-heterosexual, the individual participants who classify themselves as homosexual or bisexual without hiding it, when they are part of research projects they may not be completely representative of the non-heterosexual population as a whole. Therefore making the results of the research invalid