Field
Trial Status
|
Before
in_development
|
After
completed
|
Field
Last Published
|
Before
October 27, 2020 06:39 AM
|
After
October 17, 2021 02:57 AM
|
Field
Study Withdrawn
|
Before
|
After
No
|
Field
Intervention Completion Date
|
Before
|
After
December 21, 2020
|
Field
Data Collection Complete
|
Before
|
After
Yes
|
Field
Final Sample Size: Number of Clusters (Unit of Randomization)
|
Before
|
After
630 individuals in the experiment using mailed letters
1287764 Facebook users (Impression) in the experiment using Facebook ads.
|
Field
Was attrition correlated with treatment status?
|
Before
|
After
No
|
Field
Final Sample Size: Total Number of Observations
|
Before
|
After
630 individuals in the experiment using mailed letters
1287764 Facebook users (Impression) in the experiment using Facebook ads.
|
Field
Final Sample Size (or Number of Clusters) by Treatment Arms
|
Before
|
After
Mailed letter / Facebook
- Control: 210 members (Mailed letter) / 320332 Impressions (Facebook)
- Seed money: 210 members (Mailed letter) / 463107 Impressions (Facebook)
- Ecological: 210 members (Mailed letter) / 504325 Impressions (Facebook)
|
Field
Is there a restricted access data set available on request?
|
Before
|
After
Yes
|
Field
Restricted Data Contact
|
Before
|
After
[email protected]
|
Field
Program Files
|
Before
|
After
No
|
Field
Data Collection Completion Date
|
Before
|
After
December 21, 2020
|
Field
Is data available for public use?
|
Before
|
After
No
|
Field
Keyword(s)
|
Before
Environment And Energy
|
After
Environment And Energy
|
Field
Building on Existing Work
|
Before
|
After
No
|