Final answer:
Hypothesis testing is the process used in experimental studies to determine if a specific intervention has made a significant difference. It involves collecting and evaluating data to make a decision about the null hypothesis.
Step-by-step explanation:
The process described in the question is called hypothesis testing. In experimental studies, hypothesis testing is used to determine if a specific intervention has made a significant difference in the outcome of a disease. It involves collecting data from a sample, evaluating the data, and making a decision as to whether or not there is enough evidence to reject the null hypothesis.