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First, there was a significant strong negative correlation between HFV and CELPIP levels, r(198) = -.
In the written corpus, the strongest correlations were found for HFV, MFV, and the lowest frequency band accessed in covering 98% of a text.
In the speaking corpus, the relationships between HFV, MFV, and LFV were represented by moderate correlations with rater judgements of CELPIP levels.
As rater judgements of test-takers' writing abilities increased, test-takers' reliance on high-frequency vocabulary decreased, with a strong negative correlation between the percentage coverage of text by HFV and rater judgements of CELPIP levels.
In comparing the two corpora, a decreasing reliance on HFV and an increasing ability to deploy MFV had a stronger relationship with rater judgements of language ability in the writing corpus.
In the face of the time constraints typical of classroom instruction, resources can be focused on the HFV and MFV that support improved general English language proficiency.
In preparing students for the Writing module of the CELPIP-General test, the strong negative correlation between the percentage coverage of text by HFV and CELPIP levels and the strong positive correlation between the percentage coverage of a text by MFV and CELPIP levels demonstrate the importance of encouraging students to rely less on high-frequency word choices and to strive to use word choices coming from the mid-frequency bands.
What promoters of HFV sometimes fail to point out is that mean airway pressure is usually started at about 5 cmH2O higher than during conventional ventilation.
Since both high frequency ventilation and conventional mechanical ventilation (CMV) use positive pressure ventilation to control the patient's minute volume, HFV, technically, only differs from CMV based on its definition: respiratory rates above 150 breaths/minute.
Entretanto, esse numero nao e suficiente; no caso do Programa da HFV, por exemplo, pode-se verificar que as bolsas correspondem a aproximadamente 50% do numero de alunos matriculados.
HFV helps to reduce barotrauma with low pressures, biotrauma and atelectrauma.
Ebola is just one of several HFVs that are considered significant threats for use as biological weapons, due to their potential to cause widespread illness and death.
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