Research is fundamental to product development, and the effectiveness of this research largely hinges on the quality of the questions posed to respondents. Open-ended questions, which require elaborated answers, are particularly valuable as they provide deeper insights into users' thoughts and experiences, potentially guiding product innovation. This contrasts with closed-ended questions that solicit brief, specific responses. The article emphasizes the importance of carefully crafting open-ended questions to avoid bias and ensure respondents feel comfortable sharing their experiences. Although analyzing responses to open-ended questions can be challenging due to the volume and complexity of data, doing so can yield actionable insights that inform product decisions. While closed-ended questions are useful for gathering quick, specific data, open-ended questions allow for a richer understanding of user needs, which can help shape a product roadmap. Thus, integrating both types of questions into product research can lead to a comprehensive understanding of user preferences and behaviors, ultimately enhancing user satisfaction.