Topics covered include….-each self explanatory-or all can be completed in a sequence.
	Explanation-gives a brief textbook explanation of the concept, using examples.
	Exploration-interactive game  (e.g. Standard Dev) using java applets with associated questions.  Allows students to explore concepts, and get feedback. No right or wrong answers.
	Application-Applies concept to sample data uploaded by tutor.   Depending on level-interprets and/or calculates the result.
	switch to web page-Demo of SD game.