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Field
Trial Start Date
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Before
July 31, 2026
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After
August 21, 2026
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Field
Last Published
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Before
June 03, 2026 09:17 AM
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After
August 17, 2026 05:07 AM
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Field
Primary Outcomes (End Points)
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Before
Attitudes towards evidence-informed policy making (EIPM), perception on use of AI tools in EIPM, EIPM practice
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After
Attitudes towards evidence-informed policy making (EIPM), perception on use of AI tools in EIPM, EIPM practice, platform usage
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Field
Primary Outcomes (Explanation)
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Before
Attitudes toward and perceptions of evidence-informed policymaking (EIPM) will be measured using a 28-item questionnaire. Latent constructs will be derived through factor analysis. EIPM practices will be measured using a single survey item.
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After
Attitudes toward and perceptions of evidence-informed policymaking (EIPM) will be measured. EIPM practices will be measured using a single survey item and platform usage.
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Field
Experimental Design (Public)
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Before
The target population consists of mid- and senior-level government officials who are responsible for drafting or reviewing policy documents, including policy briefs, policy reports, and strategy papers. Approximately 60 officials will be randomly assigned to either the treatment group or the control group, with 30 individuals in each group.
As part of a broader partnership with the Sri Lankan government, an additional group of approximately 30 government officials will participate in a voluntary capacity-building program that includes access to the AI platform and complementary training activities. The impact of this capacity-building intervention will be evaluated separately using a mixed-methods approach combining quantitative and qualitative data.
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After
The target population consists of mid- and senior-level government officials who are responsible for drafting or reviewing policy documents, including policy briefs, policy reports, and strategy papers. 94 officials will be randomly assigned to either the treatment group or the control group, with 47 individuals in each group.
As part of a broader partnership with the Sri Lankan government, an additional group of 47 government officials will participate in a voluntary capacity-building program that includes access to the AI platform and complementary training activities. The impact of this capacity-building intervention will be evaluated separately using a mixed-methods approach combining quantitative and qualitative data.
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Field
Planned Number of Observations
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Before
60 government officials in the RCT.
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After
94 government officials in the RCT.
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Field
Sample size (or number of clusters) by treatment arms
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Before
30 individuals in the treatment group and 30 individuals in the control group.
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After
47 individuals in the treatment group and 47 individuals in the control group.
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Field
Power calculation: Minimum Detectable Effect Size for Main Outcomes
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Before
With n = 30, the minimum detectable effect size (Cohen's d) is 0.73. The study is powered to detect a large standardized effect.
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After
With n = 47, the minimum detectable effect size (Cohen's d) is 0.58. The study is powered to detect a medium to large standardized effect.
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Field
Secondary Outcomes (End Points)
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Before
Text data from policy documents
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After
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Field
Secondary Outcomes (Explanation)
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Before
Use of research and policy evidence in policy documents will be assessed based on a coding manual.
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After
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