Submitted by user on
Study ID
28287-Study of English for
Manuscript ID
28287
Rating
Rating
High
Rating Rationale
This is a low-attrition RCT in which random assignment was not compromised and there are no confounding factors.
Potential rating change
Off
Outcome Measure
Outcome Domain
Increase long-term earnings
Outcome measure name
Annual earnings
Measurement units

2018 dollars

Follow-up Timing

Year 2

Reference point for timing
random assignment
Data source
Massachusetts Department of Unemployment Assistance data
Sample
Study Sample

Enrolled through Dec 2017

Sample Size
790
Sample Unit
individual
Intervention
Intervention Measure prefix
Adjusted mean
Intervention mean
20480.00
Comparison Group
Comparison Measure prefix
Adjusted mean
Comparison Mean
17859.00
Effect
Effect size source
Not applicable
Impact
2621.00
Impact Standard Error
980
Impact units
2018 dollars
Impact in standardized units
2892.97
p Value

0.008

Favorable and Sig Flag
On
Unfavorable and Sig Flag
Off
Effect size alternate
0.13
Significance
On
Intervention N srg
408
Comparison N srg
382
ID srg
2
Year Measurement
2018