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Looking at Vocabulary

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Slide 12 of 41

Research about Vocabulary

• Kindergarten students' vocabulary size is a predictor of comprehension in middle school. (Scarborough, 1998)
• Students with poor vocabulary by third grade have declining text comprehension scores in fourth and fifth grade. (Chall, Jacobs and Baldwin, 1990)
• A single book reading improved significantly children's expressive vocabulary. (Senechal and Cornell, 1993)
• Vocabulary instruction has a strong connection to comprehension. (McKeown, Beck, Omanson and Perfetti, 1983)
• Pre-instruction of words gave fourth grade students greater gain. (Brett, Rothlein and Hurley, 1996)