1986 | Shulman says pedagogy and content knowledge (PCK) must be considered together. |
2001 | Pierson began to use the concept of TPCK to refer to “Technology assisting PCK”. |
2005 | Niess suggested TPCK was not only a kind of knowledge and skill but also a kind of dynamic knowledge including developing subject knowledge, technology knowledge and teaching and learning knowledge and it is a kind of creative thinking on how technology supported teaching and learning. |
2005 | Koehler and Mishra also put forward the concept of TPCK. |
| Koehler and Mishra introduced TPCK in detail in the published article “Technological Pedagogical Content Knowledge: A Framework for Teacher Knowledge” |
2007 | Thompson and Mishra changed TPCK into TPACK. |
2008 | Koehler and Mishra introduced contexts into TPACK as the eighth element. So far, TPACK framework contains three core elements, CK, PK and TK, four interacted knowledge, PCK, TPK, TCK, TPACK, and contexts. |
2019 | Mishra renamed the outer dotted circle “Contextual Knowledge (XK)” (i.e., the teacher’s knowledge of the context) which was originally labeled as “Contexts”. |