What should a scientist do if their hypothesis is disproved?

If a scientist's hypothesis is disproved, they should analyze the data and results to understand why the hypothesis did not hold true. This may involve revisiting their methodology, considering alternative explanations, and conducting additional experiments. The scientist can then refine their hypothesis or develop a new one based on the insights gained. Ultimately, disproving a hypothesis can be a valuable part of the scientific process, leading to greater understanding and new avenues of research.