. A sample of 55 withdrawn schizophrenicadolescents was studied to determine if art therapy significantly decreaseshallucinations. The level ofsignificance was set at 0.05. Theresults of the study indicated that hallucinations after art therapy decreasedfrom a mean score of 5.0 to 3.0 with a probability of .002
Set up the 6-step research process using the above data,omitting the specific test statistic and calculations.