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Field
Last Published
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Before
October 28, 2020 09:14 AM
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After
March 08, 2021 12:42 PM
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Field
Primary Outcomes (End Points)
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Before
Our primary outcome variable is respondents' beliefs about the probability that a randomly drawn image has a certain content (word vs number) conditional on receiving information (or not) about whether the image is a certain color (blue vs orange)
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After
Our primary outcome variable is respondents' beliefs about the probability that a randomly drawn image has a certain content (word vs number) conditional on receiving information (or not) about whether the image is a certain color (blue vs orange).
[Added after first set of experiments]: In the second part of the experiments, our primary outcome variable is respondent's beliefs about the probability that a randomly drawn word belongs to a certain category.
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Planned Number of Clusters
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Before
1200 individuals
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After
1200 individuals
[Second wave of experiments]: Also 1200 individuals
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Sample size (or number of clusters) by treatment arms
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Before
150 respondents per treatment group.
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After
150 respondents per treatment group.
[Second wave of experiments]: 240 respondents per treatment group
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Field
Secondary Outcomes (End Points)
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Before
We have several secondary outcomes. We measure how confident subjects are (on a likert scale) that their probabilistic answers are correct. We also have two separate memory tasks. First, respondents are given a series of four words, and are ask "Was X (in C) among the images you were shown?" where C is a color and the word X is displayed in that color font. The correct answer to this question is always "no", and we are measuring how frequently respondents incorrectly believe that they saw the word. Our second memory task simply asks them to list all the orange words they remember having been shown.
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After
We have several secondary outcomes. We measure how confident subjects are (on a likert scale) that their probabilistic answers are correct. We also have two separate memory tasks. First, respondents are given a series of four words, and are ask "Was X (in C) among the images you were shown?" where C is a color and the word X is displayed in that color font. The correct answer to this question is always "no", and we are measuring how frequently respondents incorrectly believe that they saw the word. Our second memory task simply asks them to list all the orange words they remember having been shown.
[Added after first set of experiments]: In the second part of the experiments, we also have certainty measurements, as well as recall measurements for each category.
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