Determine intervention effectiveness

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Reference no: EM133910712

Questions

1. Which design is considered strongest to determine intervention effectiveness

A. two-group non randomized comparison tiral

B. One group pre-post test

C. Two-group randomized controlled trial

2. Which of the following does NOT threaten a study's internal validity

A. Participants drop out of the study leading to differences in participant characteristics in the intervention and comparison groups that can explain study results

B. Participants choose to join intervention/control groups rather than being randomly assigned

C. At baseline before intervention delivery, characteristics are similair between intervention and comparison study groups

D. Maturation i.e. gestational age/aging process of pediatric/geriatric patients during the study.

Reference no: EM133910712

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