| Linguistic variable | Abbreviation | Value |
| “Negative Large in size” | NL | −0.6 |
| “Negative Medium in size” | NM | −0.4 |
| “Negative Small in size” | NS | −0.2 |
| “Zero” | Z | 0 |
| “Positive Small in size” | PS | 0.2 |
| “Positive Medium in size” | PM | 0.4 |
| “Positive Large in size” | PL | 0.6 |