What type of evidence is needed for a hypothesis to be supported or not supported

In order to determine whether a hypothesis is supported or not supported, scientists rely on empirical evidence. Empirical evidence is evidence that is collected through direct observation or experimentation. Here are the steps to gather such evidence and evaluate the hypothesis:

1. Design an experiment: Clearly define your hypothesis, which is a proposed explanation for a phenomenon. Determine what specific predictions or outcomes would support or contradict your hypothesis.

2. Collect data: Conduct the experiment following a carefully designed procedure, taking measurements and observations of relevant variables or factors.

3. Analyze the data: Use statistical tools or other methods to analyze the data collected in the experiment. This helps in quantifying the relationship between variables and identifying any patterns or trends.

4. Compare with expectations: Compare the observed data with the predicted outcomes generated by the hypothesis. If the observed results align with the predicted outcomes, it provides support for the hypothesis. Conversely, if the observed results conflict with the predicted outcomes, it indicates that the hypothesis is not supported.

5. Replicate and verify: Repeat the experiment multiple times to ensure the consistency of the results. Replication is crucial to validate the reliability and generalizability of the findings.

It's important to note that a hypothesis cannot be proven definitively through evidence. Instead, it can only be supported or not supported based on the available data. Additionally, new evidence and further investigations may lead to the modification or rejection of a hypothesis, as scientific knowledge is always subject to revision and refinement.