Grammatical Accuracy

Modified on Mon, 10 Oct 2022 at 01:30 PM

DimensionModelConstructImpact on OverallDefinition
Grammatical Accuracy
Language UseGrammarMildHow correctly you use English grammar conventions.


Responses with a higher Grammatical Accuracy score correlate mildly with high TOEFL Speaking scores.



Overall Score

  • Good: 26-30
  • Fair: 18-25
  • Limited: 10-17
  • Weak: 0-9


What this chart tells us


For the Grammatical Accuracy dimension, there is a relationship between the sequence of words (e.g. subject, verb, object) in your response and your overall TOEFL Speaking score. To earn a high overall TOEFL Speaking score, you probably need to produce more grammatically correct sentences than other test takers.

  • the Grammatical Accuracy score is 41 (i.e. it scored in the 41st percentile)
  • 59% of all responses scored higher; 41% of all responses scored lower
  • responses with a Grammatical Accuracy score above 73 are consistent with an overall TOEFL Speaking score in the Good range (i.e. 26-30 overall)
  • responses with a Grammatical Accuracy score between 48 and 78 received overall scores in the Fair and the Good ranges (i.e. where the blue/green bars overlap)
  • the Impact of this dimension is 2/4, meaning there is a mild correlation between Grammatical Accuracy and your overall TOEFL Speaking score

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