aka "Poorly done user research is worse than no user research at all".<p>If you're not asking users the right questions, and havn't considered what you options for change as a result of their answers - then yeah, you're probably wasting your time (but you're just as likely to be wasting the time you prematurely jump into design and development as well...)<p>There's a lot of good advice in this book: <a href="https://abookapart.com/products/just-enough-research" rel="nofollow">https://abookapart.com/products/just-enough-research</a>