Interpret and write the results for attest for independent means

A researcher develops a new experimental procedure for treating anxiety. She randomly assigns 10 individuals to receive the experimental procedure and 10 to a waitlist control condition. At the end of the study, all 20 participants are measured on an assessment of how relaxed they feel, with higher scores = more relaxed. Was the procedure successful? Based on your interpretation of the results, what do you conclude? Answer in APA format