This podcast is an element in a professional development webquest for National Psychology Week in Australia.
The podcast introduces the concepts which can then be researched by participants in more detail by searches on the Web.
After listening to the podcast (or the video version on YouTube http://www.youtube.com/user/tomcomau clues to some of the relevant psychological theories are at psychology of the internet crossword clues
The answers to the crossword puzzle are at psychology of the internet crossword answers
Those requiring documentation of their PD are invited to fill in the quiz and submit via email using this form. http://www.tom.com.au/professional-development-quiz.html
I can then receive their answers and thereby confirm their participation by return email.