Answer:
Step-by-step explanation:
1. The concept that is clear to me about qualitative and quantitative research is that qualitative research focuses on understanding and interpreting complex phenomena through non-numerical data, such as interviews or observations, while quantitative research relies on numerical data and statistical analysis to establish patterns and relationships in a more objective and measurable manner.
2. A common concept that can be confusing for some individuals is the appropriate choice between qualitative and quantitative research methods for a particular research question, as it requires a clear understanding of the advantages, limitations, and the nature of the data needed to address the research objectives effectively.