Evaluation | Effect | Average Age | Observations | Experimental Evaluation | Country | Intervention |
---|---|---|---|---|---|---|
May 2013 | 68 | Grade 1 | 866 | Yes | United States | Students received 30-minute daily tutoring sessions for reading |
Rutt 2015 | 16 | Grade 6 | 557 | Yes | United Kingdom | Students received 15-minute tutoring sessions twice a week for reading |
NFER 2014 i | 21 | Grade 3 | 216 | Yes | United Kingdom | Students received 15-minute tutoring sessions twice a week for math |
NFER 2014 ii | 27 | Grade 3 | 210 | Yes | United Kingdom | Students received 15-minute tutoring sessions twice a week for math |