Mixed methods research involves integrating qualitative and quantitative research methods within a single study or research program. This approach allows researchers to gain a more comprehensive understanding of a research problem by leveraging the strengths of both qualitative and quantitative methods. Here are some best practices and prevalent practical and theoretical frameworks for conducting mixed methods research:

Best Practices:

1. Clearly Define Research Questions:
   • Start by clearly defining your research questions or objectives. Determine what you want to achieve through the mixed methods approach and how qualitative and quantitative data will contribute to addressing your research questions.
2. Select Appropriate Methods:
   • Choose qualitative and quantitative methods that are well-suited to your research questions and objectives. Ensure that the methods complement each other and provide different perspectives on the research problem.
3. Sequential or Concurrent Design:
   • Decide whether you will use a sequential or concurrent mixed methods design. In sequential designs, one method is used to inform the other, while in concurrent designs, both methods are used simultaneously.
4. Integration of Data:
   • Plan how qualitative and quantitative data will be integrated during data collection, analysis, and interpretation. Identify points of convergence and divergence between the two types of data and how they will be synthesized to provide a holistic understanding.
5. Maintain Methodological Rigor:
   • Apply rigorous methods for data collection, analysis, and interpretation in both qualitative and quantitative components of the study. Ensure reliability, validity, and credibility of findings through appropriate techniques and procedures.
6. Triangulation:
   • Use triangulation to validate findings by comparing results from qualitative and quantitative analyses. Triangulation involves corroborating evidence from multiple sources or methods to enhance the trustworthiness of findings.
7. Mixed Methods Frameworks:
   • Apply established mixed methods frameworks or models to guide your research design and analysis. Frameworks like Creswell and Plano Clark’s typology of mixed methods designs or the convergent parallel design provide structured approaches to mixed methods research.
8. Ethical Considerations:
   • Consider ethical implications of using mixed methods, especially regarding informed consent, confidentiality, and data protection. Ensure that ethical guidelines are followed throughout the research process.

Prevalent Practical and Theoretical Frameworks:

1. Creswell’s Typology of Mixed Methods Designs:
   • Creswell’s typology categorizes mixed methods designs into sequential, concurrent, or transformative designs, each with variations based on the timing of data collection and integration.
2. Pragmatism:
   • Pragmatism serves as a theoretical foundation for mixed methods research, emphasizing the use of multiple methods to address research questions effectively. Pragmatism prioritizes the utility and practicality of research findings.
3. Framework for Integration:
   • This framework guides the integration of qualitative and quantitative data at various stages of the research process, such as during data collection, analysis, and interpretation. It outlines strategies for synthesizing findings and resolving discrepancies between qualitative and quantitative results.
4. Grounded Theory:
   • Grounded theory provides a systematic approach to qualitative data analysis, focusing on the development of theory from empirical data. Mixed methods studies often employ grounded theory to explore and explain complex phenomena.
5. Theory of Change:
   • The theory of change framework is commonly used in program evaluation and social research to articulate how interventions lead to desired outcomes. Mixed methods research can use this framework to assess program effectiveness and understand causal mechanisms.
6. Multimethod Matrix:
   • The multimethod matrix is a tool for organizing and analyzing data from multiple sources or methods. It facilitates comparison and synthesis of qualitative and quantitative findings by identifying patterns, themes, and relationships across data sources.

By following these best practices and utilizing prevalent practical and theoretical frameworks, researchers can effectively conduct mixed methods research that generates rich, nuanced insights into complex research problems.

Also, from another source:

Mixed methods research is a powerful approach that combines quantitative and qualitative data collection and analysis. It’s a great option when a single method wouldn’t provide a complete picture. Here’s when it excels and how to leverage it effectively:

Best Case Uses for Mixed Methods Research:

• Understanding a Complex Phenomenon: Many business and entrepreneurial situations involve intricate interactions. Mixed methods can help you explore the “why” behind the “what.” For example, a survey might reveal customer satisfaction with a product, but in-depth interviews could uncover the specific features driving that satisfaction.
• Expanding on Quantitative Findings: Quantitative data provides numbers, but it often lacks context. Mixed methods research can add the “why” and “how” behind the numbers. For example, a survey might show a correlation between marketing spending and sales, but focus groups could reveal the specific marketing tactics most effective in driving sales.
• Developing and Refining Surveys or Questionnaires: Qualitative interviews can help identify relevant themes and areas of inquiry before launching a large-scale quantitative survey. This can lead to a more focused and insightful survey instrument.
• Triangulation: This is the process of using multiple methods to corroborate or challenge findings. Mixed methods research allows you to see if qualitative and quantitative data tell a similar story, increasing the overall confidence in your research.

Best Practices and Frameworks:

• Clearly Define Your Research Question: A well-defined research question guides your choice of methods and ensures a cohesive integration of quantitative and qualitative data.
• Choose the Right Mix of Methods: There isn’t a one-size-fits-all approach. Consider the strengths and weaknesses of quantitative and qualitative methods in relation to your research question.
• Plan for Integration: Don’t just collect data from both methods and present them separately. Think about how you’ll weave them together to create a richer understanding. There are several frameworks to guide this integration:
  • Sequential Approach: Collect data from one method first, then use the findings to inform the second method. (e.g., conduct a survey, then follow-up interviews with specific participants)
  • Concurrent Approach: Collect data from both methods simultaneously. (e.g., conduct a survey with open-ended questions, then analyze those alongside focus group discussions)
  • Convergent Approach: Analyze each method’s data separately, then compare and contrast the findings to reach a more comprehensive conclusion.
• Credibility and Rigor: Just like any research, ensure your mixed methods study is credible and rigorous. Use established data collection and analysis techniques, and clearly document your methods and findings.

Examples of Frameworks in Action:

• New Product Development: Surveys might assess customer needs and preferences (quantitative), while focus groups could explore deeper motivations and usage contexts (qualitative).
• Evaluating a Training Program: Surveys could measure knowledge gain (quantitative), while interviews with participants could reveal their learning experience and satisfaction (qualitative).

By understanding the strengths of mixed methods research and employing best practices, you can leverage its power to gain deeper insights and make more informed decisions in your business or entrepreneurial endeavors.