Scientific rigor is the strict application of the scientific method to ensure unbiased and well-controlled experimental design, methodology, analysis, interpretation and reporting of results.

Why is scientific rigor important?

Scientific rigor is the basis for confidence in results for scientists and trust for science by the public. If we understand that all aspects of rigor were followed, then we have greater confidence than if we read a paper in which the presentation doesn't completely outline what was done to ensure rigor.

Why should research be rigorous?

As a concept, rigor is perhaps best thought of in terms of the quality of the research process. In essence, a more rigorous research process will result in more trustworthy findings. ... Second, it enables readers to assess whether the method chosen was the most appropriate for answering the chosen research question.