The Analysis of Research Conducted to Evaluate the Effectiveness of in-service Training Programs: Turkey's Sample

In today's ever developing and changing world, teachers need in-service training since they are required to improve their knowledge, ability and attitude. In Turkey there are a lot of in-service training programs (ITP) that cater to the needs of teachers in elementary and secondary schools. Determining the effectiveness of ITPs and reflecting on possible improvements is of great benefit. This study, which is based on the need, aims to investigate the research fulfilled to analyze the effectiveness of ITP for teachers in Turkey and to discuss the results.