According to Isabel Beck's three-tier vocabulary model, which tier contains high-frequency academic words that appear across many content areas, such as 'analyze,' 'compare,' and 'evaluate'?
-
A
Tier 1 — basic conversational words
-
B
Tier 2 — general academic vocabulary
-
C
Tier 3 — domain-specific technical terms
-
D
Tier 4 — idiomatic expressions