Vocabulary and reading and writing

Please discuss the following points under the main headings of vocabulary, reading and writing:
1.Do different kinds of learning occur from reading compared with learning from different kinds of exercises?
2. Is the Lexical Frequency Profile of a text an effective measure of the readability of the text for ESL learners?
3. Evaluate and investigate a reading based vocabulary activity for its effect on vocabulary learning and use.
4. Honeyfield (1977) claims that simplified reading texts distort normal language use. Research this claim
looking at a range of language use features including collocation and information density.
5. Do simplified, elaborated and easified texts have similar effects on comprehension and vocabulary learning?
6. How can vocabulary learning from graded readers be optimized?