Three-Tier Model for Vocabulary by malj

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									Three-Tier Model
for Vocabulary
The Model



                             Tier Three

                       Tier Two

                 Tier One

       Beck & McKeown, 1985

Beck, McKeown, & Kucan (2002) Bringing Words to Life.
Tier One Words


      • Familiar
      • Everyday use

      • happy, baby, clock, walk

      • No direct instruction
Tier Two Words

     •   High frequency
     •   Used in mature language
     •   Many contexts
     •   Multiple meanings
     •   Word-building words

     • absurd, industrious, fortunate,
       coincidence

     • Bulk of direct instruction
Tier Three Words


      • Very unusual
      • Context specific
      • Appear infrequently

      • isotope, lathe, peninsula,
        refinery

      • Instruction only when needed
Identifying Tier Two Words


      • Based on student’s vocabulary

      • Expand vocabulary

      • Individual process

      • Ongoing assessment

								
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