week6class2 - Semantics Week6,Class2 style TodaysAgenda...

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Click to edit Master subtitle  style  12/6/10 Semantics Week 6, Class 2
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Today’s Agenda Word knowledge Vocabulary Acquisition Vocabulary instruction
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Breadth of Word Knowledge How many words are known?
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What does it mean to know a  word? Word Knowledge includes…. Pronunciation Literal meaning Connotative meaning Morphology Semantic relationship with other words  Orthography / spelling Depth Of  Word  Knowledge
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What does it mean to know a  word? Flexibility in Word Knowledge  How well can students use words in different  contexts? Includes mastery of multiple word meanings  (polysemy) “He grew two inches” vs. “He grew  apples”
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Levels of Vocabulary  Knowledge No knowledge General sense Context-bound knowledge Knowledge of a word but not able to recall it  readily enough to use it in appropriate situations Decontextualized knowledge of a word’s  meaning, its relationship to other words, and its  extension to metaphorical uses  
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Why is vocabulary instruction  important? Vocabulary knowledge is significantly related  to reading comprehension, word reading,  spelling and academic achievement Children differ tremendously in their funds of  knowledge about words on school entry in K Vocabulary knowledge at the end of first  grade is a significant predictor of reading  comprehension 10 years later   (Cunningham & 
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Vocabulary Acquisition Before  School Entry Children enter school with meaningful  differences in vocabulary knowledge as a  result of differences in experiences and  exposure to literacy and language activities These differences are pronounced even among  toddlers and preschoolers (Hart & Risley, 1995) The vocabulary gap grows larger in the early  grades. Children who enter with limited  vocabulary knowledge grow much more  discrepant over time from their peers who have 
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Words  heard  per hour Words heard  in a 100-hour  week Words heard  in a 5,200- hour year Words  heard in 4  years Group A 616 62,000 3 million 13 million Group B 1,251 125,000 6 million 26 million Group C 2,153 215,000 11 million 45 million (Hart & Risley, 1995).
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