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The Effect of Voice Amplification on Occupational Vocal Dose in Elementary School Teachers

✍ Scribed by Gaskill, Christopher S.; O’Brien, Shenendoah G.; Tinter, Sara R.

Book ID
119313365
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
935 KB
Volume
26
Category
Article
ISSN
0892-1997

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Siegler's role assessment methodology was used to investigate the cognitive effects of a 32 hour mathematics in-service workshop on 28 elementary school teachers. This paper reports on attempts (a) to assess the levels of cognitive understanding of the basic concepts of proportion, probability, and