Evaluation | Effect | Average Age | Observations | Experimental Evaluation Sort descending | Country | Intervention |
---|---|---|---|---|---|---|
McEwan 2015 | 9 | Grade 6 | 1,012 | No | Honduras | Flexible teacher contracts and alternative recruitment practices |
Allen 2011 | -3 | N/A | 1,266 | Yes | United States | Teachers received feedback on their classes from trained consultants |
Berlinski 2013 i | -17 | Grade 7 | 2,266 | Yes | Costa Rica | Manuals, workbooks, teacher training for new curriculum implementation |
Garet 2011 | -1 | Grade 7 | 2,203 | Yes | United States | Teacher training, coaching for teaching of positive rational numbers |
Kemple 2008 i | 7 | Grade 9 | 1,140 | Yes | United States | Teachers received 5-day training, coaching and seminars for reading |
Kemple 2008 ii | 5 | Grade 9 | 1,273 | Yes | United States | Teachers received 5-day training, coaching and seminars for reading |
Lloyd 2015 | -1 | Grade 8 | 2,575 | Yes | United Kingdom | Students received weekly 20-minute tutoring by 2 years older students |
Newman 2012 | 6 | Grade 6 | 18,712 | Yes | United States | Training of teachers, materials and technology to improve instruction |