CELPIP

AcronymDefinition
CELPIPCanadian English Language Proficiency Index Program
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The second set of analyses examined the relationship between the percentage coverage of the writing samples texts by vocabulary frequency estimates of HFV, MFV, and LFV and rater judgements of CELPIP levels of performance.
The next set of correlational analyses were carried out to examine the relationship between the lexical stretch--that is, the lowest frequency band accessed to reach 98% coverage of a writing sample--and the lowest frequency band accessed overall, with rater judgements of CELPIP levels of performance.
Finally, the relationship between the number of frequency bands accessed by a test-taker in producing a writing sample and rater judgements of CELPIP levels of performance was examined.
Generally, there appears to be a meaningful relationship between the eight LFP measures explored in this study and rater judgements of CELPIP levels of performance.
In the spoken corpus, these two measures had very strong positive correlations with rater judgements of CELPIP levels of performance, and they represented the strongest relationships overall in the speaking corpus.
In the written corpus, while they accounted for less of the variance in rater judgements of CELPIP levels compared to the spoken corpus, relationships between tokens and CELPIP levels were moderate, and between types and CELPIP levels were strong.
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.
On balance, relationships for the lowest frequency band accessed overall and the number of frequency bands accessed in total with rater judgements of CELPIP levels of performance were stronger in the spoken corpus.
The strong relationship between types and rater judgements of CELPIP levels of performance might also be related to the coherence achieved in a text by varying lexical output through hypernyms, hyponyms, synonyms, and judicious pronoun usage.
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.
A future study exploring the relationship between rater judgements of CELPIP levels of performance and test takers' lexical depth of knowledge, in particular in areas such as form and meaning, could contribute to a fuller understanding of the role independent measures of vocabulary knowledge play in the concurrent validity of standardized English language tests.