Adapted from Appendix A of the CCSS for English Language Arts and Literacy.
factors include levels of meaning, structure, language conventionality, clarity,
and knowledge demands. Interest level (i.e., content and maturity level of text) and
genre are provided in AR BookFinder.
dimensions include word length or frequency and sentence length that can only be measured efficiently by computer software.
considerations include students’ motivation, knowledge, and background
interests along with the purpose and complexity of task assigned, and are best made by the teacher.