In an RTI model, what is the key distinction between Tier 2 and Tier 3 interventions?
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A
Tier 3 interventions are delivered by special education teachers only, while Tier 2 is delivered by general educators
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B
Tier 3 is more intensive, more frequent, and often individualized compared to the standardized small-group format of Tier 2
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C
Tier 2 targets behavior, while Tier 3 targets academics exclusively
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D
Tier 3 requires a formal IEP, whereas Tier 2 does not require any written documentation