A summary and three reports have been released as part of NZCER's evaluation of the Incredible Years Teacher programmes, done for the Ministry of Education. The series is available here.
The report are:
Summary: "My classroom is a much more positive place." It is available here.
Report 1 2014 IYT Group Leaders' Views and Experiences. It is available here
Report 2 IYT in New Zealand: Participants' reports of learning and change. It is available here.
Report 3 Use of IYT learning in New Zealand: Changes for 'target' students and use 8-9 months after the end of the IYT programme. It is available here.