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Field
Planned Number of Observations
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Before
For primary outcomes 1-2: 450 observations (1 observation per respondent)
For primary outcomes 3-6: 1,800 observations (1 per respondent-scenario combination - each respondent sees 4 scenarios)
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After
For primary outcomes 1-2: 450 observations (1 observation per respondent)
For primary outcomes 3-6: 1,800 observations (1 per respondent-scenario combination - each respondent sees 4 scenarios)
***Update July 29, 2020***
For primary outcomes 3-6, we will collect an additional 5,200 observations (1 per respondent-scenario combination)
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Field
Sample size (or number of clusters) by treatment arms
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Before
For primary outcomes 1 and 2:
Treatment arm 1: approx. 225 respondents (50%) will first see the scenario in which a woman is discriminated against
Treatment arm 2: approx. 225 respondents (50%) will first see the scenario in which a man is discriminated against
For primary outcomes 3-6:
• Control group: approx. 225 respondents (50%)
For ease of exposition, we will number the information treatments as same suffering (treatment 1), worked equally hard (2), no discrimination (3), same suffering, worked equally hard and no discrimination (4).
• Treatment group 1: order of information treatments (1,2,3,4), approx. 37.5 respondents (8.3%)
• Treatment group 2: order (1,3,2,4), approx. 37.5 respondents (8.3%)
• Treatment group 3: order (2,1,3,4), approx. 37.5 respondents (8.3%)
• Treatment group 4: order (2,3,1,4), approx. 37.5 respondents (8.3%)
• Treatment group 5: order (3,1,2,4), approx. 37.5 respondents (8.3%)
• Treatment group 6: order (3,2,1,4), approx. 37.5 respondents (8.3%)
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After
For primary outcomes 1 and 2:
Treatment arm 1: approx. 225 respondents (50%) will first see the scenario in which a woman is discriminated against
Treatment arm 2: approx. 225 respondents (50%) will first see the scenario in which a man is discriminated against
For primary outcomes 3-6:
• Control group: approx. 225 respondents (50%)
For ease of exposition, we will number the information treatments as same suffering (treatment 1), worked equally hard (2), no discrimination (3), same suffering, worked equally hard and no discrimination (4).
• Treatment group 1: order of information treatments (1,2,3,4), approx. 37.5 respondents (8.3%)
• Treatment group 2: order (1,3,2,4), approx. 37.5 respondents (8.3%)
• Treatment group 3: order (2,1,3,4), approx. 37.5 respondents (8.3%)
• Treatment group 4: order (2,3,1,4), approx. 37.5 respondents (8.3%)
• Treatment group 5: order (3,1,2,4), approx. 37.5 respondents (8.3%)
• Treatment group 6: order (3,2,1,4), approx. 37.5 respondents (8.3%)
***Update July 29, 2020***
For primary outcomes 3-6, the additional respondents will be assigned to treatment groups in the same proportions as stated above.
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