A clinical psychologist in a mental health clinic was evaluating the effectiveness of a new shock therapy treatment. From previous data, she knew that the mean score on a scale of depression was 138 for patients in general. The psychologist randomly selected 50 patients to participate in the new method and found their mean score on the same scale to be 200. After running a particular analysis she found statistically significant results. What analysis did she conduct and explain what her significant findings mean. Ensure to interpret using the variables mentioned in the scenario