Effects of morphological instruction on vocabulary acquisition

  title={Effects of morphological instruction on vocabulary acquisition},
  author={Peter N. Bowers and John R. Kirby},
  journal={Reading and Writing},
The effects of a 20-session intervention targeting morphological word structure on vocabulary knowledge were investigated in four Grade 4 and 5 classes, assigned randomly to treatment and control conditions. Hierarchical regression analyses controlling for initial vocabulary showed significant instructional effects on morphological analysis and vocabulary with words that were taught directly and novel words built on bases that were taught in the context of other derivations, but not for words… 
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