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Table 1 Sample size ( n per group) for different effect sizes with power >80%

From: Tailored approaches to stroke health education (TASHE): study protocol for a randomized controlled trial

 

δ = 8 (d = 0.45)

δ = 9 (d = 0.50)

δ = 10 (d = 0.56)

ρ = 0.6

79

62

50

ρ = 0.6

δ = 8.19 (d = 0.47)

δ = 7.10 (d = 0.40)

δ = 6.34 (d = 0.36)

 

75

100

125