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. 2022 Jan 7;22:8. doi: 10.1186/s12911-022-01746-4

Table 2.

Scales employed in SERVQUAL.

Source: Adapted from Parasuraman, Zeithaml and Berry [29]

SCALE 1 SCALE 2 SCALE 3
Expectation Perception Importance
Linguistic variable Assigned score Linguistic variable Assigned score Linguistic variable Assigned score
Very low 1 Too bad 1 Very low 1
Low 2 Bad 2 Low 2
Average 3 Average 3 Average 3
High 4 Good 4 High 4
Very high 5 Very good 5 Very high 5