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Table 4 Subjectobservation (critical incidence) weight index table

From: Rethinking self-reported measure in subjective evaluation of assistive technology

Weight Critical incidence (observed)
5 The subject is very much happy and responds quickly
4 Subject asked a question or responded slowly
3 Subject is confused about the rating
2 Subject’s reply is not the relevant, facilitator need to ask him again
1 Subject is sad