## Core Concept
Focus group discussions are a qualitative research method used to gather information and opinions from a small, diverse group of people. This technique is often employed in market research, social sciences, and health sciences to explore attitudes, perceptions, and experiences. The goal is to facilitate open and in-depth discussions.

## Why the Correct Answer is Right
The correct answer, , suggests that a focus group discussion should ideally have 6-10 participants. This number allows for a diverse range of opinions and experiences while ensuring that each participant has the opportunity to contribute to the discussion. Having too few participants may not generate enough data, while too many can make the discussion difficult to manage and ensure everyone's participation.

## Why Each Wrong Option is Incorrect
**Option A:** suggests 1-2 participants, which is not sufficient for a focus group discussion as it doesn't allow for the diversity of opinions and the dynamic interaction that is a key component of this research method.

**Option B:** proposes 15-20 participants. This number is too large for a focus group discussion, as it would be challenging for all participants to contribute meaningfully within a typical time frame.

**Option D:** recommends 50-60 participants, which is more suitable for survey research or quantitative studies rather than a focus group discussion.

## Clinical Pearl / High-Yield Fact
A key aspect of conducting a successful focus group discussion is ensuring that the group size is manageable to allow for in-depth exploration of topics. A common mnemonic to remember the ideal size is "6-10 participants for rich data."

## Correct Answer: B. 6-10 participants.