| Subjective
Criteria |
| Illustrations: No support |
| Vocabulary: Many difficult words |
| Language: Many descriptive words |
| Sentences: Many Long Complex |
| Text structure: Formal |
| Inferences: Several Implications |
| Complexity: Several unrelated ideas |
| Captions |
| Concepts: Abstract/Complex Environmental |
| Chapters |
| Prior Knowledge: Basic understanding. |
| Footnotes |