Description of the Intelligibility Scores of the Intelligibility Scale
| IS | Description |
|---|---|
| 1 | The meaning of the sentence is clear, and there are no questions. Grammar, word usage, and/or style are all appropriate, and no rewriting is needed. |
| 2 | The meaning of the sentence is clear, but there are some problems in grammar, word usage, and/or style, making the overall quality less than 1. |
| 3 | The basic thrust of the sentence is clear, but you are not sure of some detailed parts because of grammar and word usage problems. You would need to look at the original source language sentence to clarify the meaning. |
| 4 | The sentence contains many grammatical and word usage problems, and you can only guess at the meaning after careful study, if at all. |
| 5 | The sentence cannot be understood at all. |
| IS | Description |
|---|---|
| 1 | The meaning of the sentence is clear, and there are no questions. Grammar, word usage, and/or style are all appropriate, and no rewriting is needed. |
| 2 | The meaning of the sentence is clear, but there are some problems in grammar, word usage, and/or style, making the overall quality less than 1. |
| 3 | The basic thrust of the sentence is clear, but you are not sure of some detailed parts because of grammar and word usage problems. You would need to look at the original source language sentence to clarify the meaning. |
| 4 | The sentence contains many grammatical and word usage problems, and you can only guess at the meaning after careful study, if at all. |
| 5 | The sentence cannot be understood at all. |
Note: IS = Intelligibility score. IS values range from 1 (highest intelligibility) to 5 (lowest intelligibility). Descriptions are quoted from Trujillo (1999, pp. 258–259). Use of the scale is permitted under the Copyright, Designs, and Patents Act of 1998 as fair dealing for the purposes of research.
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