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Field
Primary Outcomes (End Points)
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Before
Please see details in the attached file.
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After
Please see details in the attached file.
Expected Effects of the Treatments in the Longer Term
The longer-term impacts of the treatments on all primary outcomes are expected to be statistically weaker and quantitatively smaller than those in the short-term because respondents will likely not remember all the information they received. Related to this, we will explore if there are differences in self-reported participation rates in activities and we will also compare participation rates in the first and second follow-up surveys. Further, consistent with what we found in the first follow-up survey, we expect that improvements in health/weight perceptions (if any) will be lower than those in dietary behavior/perceptions and physical activity behavior/perceptions (if any).
Specifically for the weight perception variables, we will collect updated school-measured height/weight data. We will use these data to explore whether there is any improvement in a child’s BMI one year after the intervention. Moreover, we will compare parents’ assessments of their child’s weight status with assessments based on updated school-measured data to determine whether changes in weight perception are maintained over time. A priori we do not expect to detect an effect of the treatments on child’s BMI unless we find strong persistence of the treatment effects on our primary outcomes in the longer term.
We also predict that parental donations will differ less across groups. There will be less intense contact with respondents in the second follow-up survey relative to last year (when we conducted the baseline survey, the intervention, and the first follow-up survey). Therefore, social desirability in the parental donation response will likely be muted. We will replicate only one of the two dictator frames due to a limited budget, namely the one that asks “Out of the 100,000 VND you receive, how much do you want to donate to conduct a similar study?”.
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