Hi Jose,
First, thank you for your great site on English proficiency. Like you, I manage a forum for the same subject at
www.aiepro.org. It will be great to visit this site often so that I can have many more ideas to help my students or clients.
Second, I have one of your books, English Plain and Simple. I haven't finished it yet. I believe my colleague, Neysa, has already contacted you about it.
Finally, I would like to discuss your topic here on these standardized tests, namely TOEFL and IELTS. It is my understanding that the four most commonly measured areas of English-proficiency are speaking, listening, writing, and reading. To measure these key areas, examiners will focus on vocabulary, grammar, syntax, structure, and content.
Thank you for this wonderful site. I look forward to visiting often to get new ideas. It would be great to meet with you someday as well.