researchers have found to examine the effect of various type

researchers have found to examine the effect of various types of music on education levels in patients who are in the early and middle stages of Alzheimer\'s disease. Patients were selected to participate in the study based on their stage of Alzheimer\'s disease three forms of music were tested easy listening, Mozart, and piano interludes. While listening to music, agitation levels were recorded for the patient with a high score indicating a higher level of agitation . Scores are recorded below.
group                              piano interlude   Mozart   easy listening
early alzheimers                     21                    9                27               19       
middle stage alzheimers      21                    13              17               17
                                                  21                    11              22

a. identify any main effects or an interaction effect
b. interpret the results
c. create a research scenario for which a t-test for dependent means would be the appropriate statistical analysis
d. create a research scenario for which an ANOVA (analysis of variance) would be the appropriate statistical analysis
e. create a research scenario for which a factorial analysis of variance would be appropriate
****** NO NEED TO COMPLETE THE ANALYSIS *******

Solution