Explain Beck McKeown, and Kucan's "word tiers."
What will be an ideal response?
Answers should include the following:
• Tier I words are words considered to be most basic that are learned at home or in the student's community.
• Tier III words are low frequency words that are often important content or domain specific words.
• Tier II words are a large group of relatively high frequency words that are important in many contexts, that are connected to many other words and concepts, and that add precision and specificity to a concept.
• Teaching Tier II words will extend our students' facility with language.
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What will be an ideal response?
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