One of the key ideas of evidence-centered assessment design (ECD) is that task features can be deliberately manipulated to change the psychometric properties of items. ECD identifies a number of roles that task-feature variables can play, including determining the focus of evidence, guiding form creation, determining item difficulty and…

This book presents the thesis that the structure of games must be analyzed in terms of the specific behavioral objectives sought in their activity. It asks teachers to look at games before using them in the classroom, rather than attaching unwarranted values to games as justification for their use. It also demonstrates how one can structure games…