What is a lexicon? The alphabetical arrangement of the vocabulary associated with this pathfinder. The purpose of articulating the vocabulary in context is defined in the Merriam-Webster dictionary as a “weaving together of words, the parts of a discourse that surround a word or passage and can throw light on its meaning; and the interrelated conditions in which something exists or occurs." These are the terms I need to understand and define in order to set the context of my research.
My interpretation of Educational Technology as defined by AECT (2004). The Partnership for 21st Century Skills (P21) provides many skills associated with 21st century learning.
The learning sciences are based on constructivism and provide a foundation for many of the terms. "The learning sciences have convincingly demonstrated that when children actively participate in constructing their own knowledge, they gain a deeper understanding, more generalizable knowledge, and greater motivation" (Sawyer, 2006, p.11).