Field
Last Published
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Before
February 23, 2022 08:40 AM
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After
February 25, 2022 09:54 AM
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Field
Planned Number of Clusters
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Before
1100 individuals, more is money allows.
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After
1400 individuals, more is money allows.
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Field
Planned Number of Observations
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Before
1100, more if money allows
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After
1400, more if money allows
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Field
Sample size (or number of clusters) by treatment arms
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Before
550 individuals in high group and 550 individuals in low group.
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After
700 individuals in high group and 700 individuals in low group.
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Field
Power calculation: Minimum Detectable Effect Size for Main Outcomes
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Before
Eight percentage points difference in means, provided five percent confidence level and 80% statistical power.
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After
Seven percentage points difference in means, provided five percent confidence level and 80% statistical power.
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