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fix typo
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malisi committed Apr 6, 2023
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2 changes: 1 addition & 1 deletion null/null_results.Rmd
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Expand Up @@ -50,7 +50,7 @@ But unplanned variations in format can reflect a host of selection bias issues,
***How can you tell if***...an unreliable format is the reason for your null? Were you able to specify or standardize formats in a checklist? Could you leave enough discretion but still incentivize fidelity? Pre-specifying what the intervention should look like can help staff and researchers monitor along the way and correct inconsistencies or deviations that may affect the results. This could include a training protocol for those implementing the intervention. If nothing was specified or no one was trained, then the lack of consistency may be part of the explanation.

### 5. Your intervention and outcome measure are mismatched to your randomization design.
You expected counseling to be more effective in schools with higher student-to-teacher ratios, but did not block randomize by class size (for more on block randomization, see our guide on [10 Things to Know About Randomization](https://egap.org/resource/10-things-to-know-about-randomization/){target="_blank"}). then it may no longer have the potential to be more effective for students in high class size schools .
You expected counseling to be more effective in schools with higher student-to-teacher ratios, but did not block randomize by class size (for more on block randomization, see our guide on [10 Things to Know About Randomization](https://egap.org/resource/10-things-to-know-about-randomization/){target="_blank"}). then it may no longer have the potential to be more effective for students in high class size schools.

***How can you tell if***...you have a mismatch between your intervention and randomization design? Consider whether treatment effects could vary, or service delivery might occur in a [cluster](https://egap.org/resource/10-things-to-know-about-cluster-randomization/){target="_blank"}, or intervention concepts could [spill over](https://egap.org/resource/10-things-to-know-about-spillovers/), and to what extent your randomization design accounted for that.

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