| Subjective
Criteria |
| Illustrations: No support |
| Unconventional format |
| Dialog: Multiple speakers |
| Vocabulary: Many difficult words |
| Language: Archaic, Poetic,... |
| Sentences: Many Long Complex |
| Text structure: Difficult |
| Inferences: Several Implications |
| Complexity: Several unrelated ideas |
| Concepts: Abstract/Difficult |
| Prior Knowledge: Basic understanding. |
| Sequence of Events: Mostly chronological |
| Mature concepts: Mature thinking required with many distinctly unusual experiences |