In our ongoing commitment to transparency and continuous improvement, we maintain this changelog to document updates to our assessments of various charitable organisations. Below, you’ll find a record of changes made to our cost-effectiveness estimates for different charities, along with the key details of each update.
This is a new website page, and we’re still thinking about what to include here and how best to present it. Feel free to send any feedback to hello@happierlivesintitute.org.
Friendship Bench
Charity
Version
Date published
WELLBYs per $1000 donated
Changes
Friendship Bench
2 (psychotherapy version 4)
26 November 2024
49
Large update with new data (new extraction, new charity data, and the inclusion of M&E data), methods, double-checking, double risk of bias analysis.
Friendship Bench
1.5 (psychotherapy version 3.5)
14 August 2024
53
Beginning of a large update with new data, methods, and risk of bias analysis (working paper).
Friendship Bench
1 (psychotherapy version 3)
27 November 2023
58
First analysis of Friendship Bench. New version to improve our analysis and address concerns raised (working paper).
StrongMinds
Charity
Version
Date published
WELLBYs per $1000 donated
Changes
StrongMinds
4
26 November 2024
40
Large update with new data (new extraction, new charity data, and the inclusion of M&E data), methods, double-checking, double risk of bias analysis.
StrongMinds
3.5
14 August 2024
47
Beginning of a large update with new data, methods, and risk of bias analysis (working paper).
StrongMinds
3
27 November 2023
30
New version to improve our analysis and address concerns raised (working paper).
StrongMinds
2.5
No publication; updated based on communications in February 2023
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