See what the research says about the benefits of the TLLP by reading the research studies by Drs. Carol Campbell, Ann Lieberman and Anna Yashkina.
Final Report of the 2017-18 research study
Final Report of the 2016-17 research study
Final Report of the 2015-16 research study
Final Report of the 2014-15 research study
Final Report of the 2013-14 research study
Findings of the initial 2012-13 research study