This document provides guidance for novice researchers on conducting qualitative interviews. It discusses three common interview designs: informal conversational interviews, general interview guides, and standardized open-ended interviews. For each, it provides examples and discusses strengths and weaknesses. The document also offers suggestions for preparing, constructing questions, implementing interviews, and interpreting the collected data to analyze themes. The overall guidance is to thoroughly plan and prepare interviews, ask open-ended questions, and get feedback to reduce bias when analyzing responses.