Problem: Put this in your own words, detailed paragraph, keep resources cited, make sure no plagiarism and no artificial intelligence: Validity and reliability- Validity and reliability originated from quantitative research, which follows positivism and aims to generalise observed rules (Nha, 2021). Therefore, it is still not always easy to apply these two quality criteria in qualitative research, which follows constructivism and aims to construct an understanding of reality. This often gives rise to questions such as: Are reliability and validity important for the qualitative approach? If they are, what types of validity and reliability exist and how can researchers ensure that their qualitative research is valid and reliable? (Nha, 2021). Need Assignment Help?