Table I. Lesson component adaptations.

Type adaptation	Number of adaptations coded to this category
Content
Partially omitting a lesson component	3,436
Completely omitting lesson component	2,477
Adding content to a lesson component	1,590
Revising content in a lesson component	484
Format
Changed a non-classroom activity into an entire class activity	1,919
Changed a non-individual activity into an individual activity	614
Complete lesson component at another time/subsequent lesson	584
Added extra time to a lesson component	371
Changed materials	47

Notes: Mean lesson components per lesson = 15. An adaptation could be coded into more than one category if necessary