The National Association of Social Workers decides to pilot test an intervention to improve life satisfaction among MSW students. The program "DWBH" (Don't Worry... Be Happy...) is implemented with a convenience sample of 30 participants where life satisfaction is measured by an index score at pretest and posttest phases. The life satisfaction index is operationally defined as a continuous and ratio measure ranging from 0 to 100 with lower scores indicating lower life satisfaction and higher scores indicating higher life satisfaction. Review the Statistical Output document for the Weight Loss and Life Satisfaction paired t-tests and determine Download Weight Loss and Life Satisfaction paired t-tests and determinewhich of the following is the best explanation of whether the intervention is effective? Group of answer choices The intervention is not effective. The t-value, -1.433, is not statistically significant The intervention is not effective. The t-value, -1.947, is not statistically significant The intervention is effective. The t-value, -1.433, is statistically significant The intervention is effective. The t-value, -1.947, is statistically significant