Power call for RCMAR study

Table 1: Sample sizes needed per group to detect differences           
between two experimental groups, repeated measures design.           
                                                                     
                                               Number of Points Difference
Scale Name              R      SD     VAR          2      5     10     20 
_________________________________________________________________________    
PHYSICAL FUNCTIONING  0.60   20.10   404.01     1014    162     41     10
EMOTIONAL WELL-BEING  0.60    5.40    29.16       73     12      3      1
SOCIAL FUNCTIONING    0.60   30.00   900.00     2258    361     90     23

_______________________________________________________________    
                                                                     
Note: Estimates assume alpha = 0.05, two-tailed t-test, power = 80%, 
and an intertemporal correlation between scores of 0.60.             

Power call for RCMAR study

Table 2: Sample sizes needed per group to detect differences           
between two experimental groups, post-intervention measures only.     
                                                                     
                                               Number of Points Difference
Scale Name                     SD     VAR          2      5     10     20 
_________________________________________________________________________    
PHYSICAL FUNCTIONING         20.10   404.01     1584    253     63     16
EMOTIONAL WELL-BEING          5.40    29.16      114     18      5      1
SOCIAL FUNCTIONING           30.00   900.00     3528    564    141     35

_______________________________________________________________    
                                                                     
Note: Estimates assume alpha = 0.05, two-tailed t-test, and power = 80%.  

Power call for RCMAR study

Table 3: Sample sizes needed per group to detect differences           
between two self-selected groups, repeated measures design.     
                                                                     
                                               Number of Points Difference
Scale Name              R      SD     VAR          2      5     10     20 
_________________________________________________________________________    
PHYSICAL FUNCTIONING  0.60   20.10   404.01     1267    203     51     13
EMOTIONAL WELL-BEING  0.60    5.40    29.16       91     15      4      1
SOCIAL FUNCTIONING    0.60   30.00   900.00     2822    452    113     28

_______________________________________________________________    
                                                                     
Estimates assume alpha = 0.05, two-tailed t-test, power = 80%,   
and an intertemporal correlation between scores of 0.60.