**1.4 The scope of the study**

The study focused on technology, subject content, pedagogical content, technological content and TPACK domains in three public Colleges of Education. The Colleges of Education programmes in Nigeria comprise courses in art and humanities, science and technology. Therefore, the participants for this study were sampled from all courses in the Colleges of Education programmes.

The College of Education in Nigeria was established to train teachers in the nation's primary and junior secondary schools [18]. The philosophy of this College is to train professional teachers competent to teach with sound content and pedagogical knowledge.

*Lecturers' Perception of Technological Pedagogical Content Knowledge in Nigerian Colleges… DOI: http://dx.doi.org/10.5772/intechopen.108678*
