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
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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.
