Evaluation Plan Guidance Page 31
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68EVALUATION PLAN GUIDANCE
SOCIAL INNOVATION FUND
Specific Guidance: Multiple Outcome Measures
Additional Resources
Describe the ways in which the evaluation design will take into account the
use of, and potential problems related to the use of, multiple outcome
See Blakesly, et al. (2009) on
measures. When multiple outcome measures are specified, evaluators need to
multiple outcome measures in
be careful of errors that may develop in comparing them. If there are multiple
evaluation
at
related confirmatory questions, or a single confirmatory question evaluated
pmc/articles/PMC3045855/.
using multiple outcomes, detail the adjustments to be made to analyses to
reduce the likelihood of a Type-I error (incorrectly rejecting a hypothesis that
is in fact confirmed) occurring. Techniques that can be used to adjust for such a possibility are the ordering of
multiple outcomes (primary, secondary, etc.) and accordingly adjusting the
p-values
for each outcome, the use
of a statistical procedure such as a Bonferroni adjustment, or using MANOVA if there are multiple outcomes.
nationalservice.gov/SIF
28
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