Subsequent review of the categorized guidelines revealed additional distinctions between the types of guidelines within each of the six categories of guidelines. The first type is aimed at supporting intrinsic motivation or enhancing extrinsic motivation. The
Educational technology. 39:19-26. 1999
second type is aimed at preventing the loss or degradation t. ~n of either intrinsic or extrinsic motivation. We call the first type of guideline “expansive,” and the second type “restrictive.” Guidelines for each category are listed based on the expansive and restrictive classifications.