30th anniversary commentary on Koch T. (1994) Establishing rigour in qualitative research: the decision trail. Journal of Advanced Nursing 19, 976–986.

The section comments on the article "Establishing Rigour in Qualitative Research: The Decision Trail," by Tina Koch, which appeared in the 1994 issue of the "Journal of Advanced Nursing." Ways of representing rigour in research are discussed. It points out the things that made the paper fascinating, including how Koch constructs her case for rigour and validity. The paper's significance in the nursing field is mentioned.