What would a scientists next step be if his her data failed to support his her hypothesis?

If a scientist's data fails to support their hypothesis, the next step would typically involve re-evaluating the experimental design and data collection methods to identify any potential errors or biases. They may also consider alternative explanations for the results and explore whether the hypothesis needs to be revised or refined. Further experimentation or additional data collection might be warranted to gain more insights. Ultimately, the scientist would document their findings and analysis, contributing to the broader scientific understanding of the topic.