The report impacts of comprehensive teacher induction results from the second year of a randomized controlled study compares outcomes of teachers offered intensive induction activities with full time mentors to those of teachers with less intensive less structured induction activities using an experimental study design this second report . While the first year of the study compared a treatment group of teachers in comprehensive programs with a control group of teachers in informal programs in 17 districts the second year divided the treatment group further offering a subset of teachers a second year of comprehensive induction this created the ability to investigate the effects . Impacts of comprehensive teacher induction results from the second year of a randomized controlled study ncee 2009 4073 washington dc national center for education evaluation and regional assistance institute of education sciences us department of education to order copies of this report. Title impacts of comprehensive teacher induction results from the second year of a randomized controlled study description the restricted use file for this study includes data from the 2005 06 and 2006 07 school years including background information on teachers and mentors measures of teacher induction support and student achievement data as well as classroom observation data collected . Final results from a randomized controlled study executive summary impacts of comprehensive to evaluate the impact of comprehensive teacher induction relative to the usual induction second year on all these dimensions than control teachers in the same districts in the