ABSTRACT
Objective: To provide standardized alternative answers with the feature of equal intervals in the quality of life assessment.Methods:We collected 131 questionnaires (123 for psychological test and 8 for quality of life assessment). The SPSS 10.0 was used to analyze the frequency distribution of the alternative answers used in these questionnaires.Results:The most commonly used design for alternative answers is five levels, which comprises 31.68% of the total designs, followed by four levels (21.99%) and three levels (13.35%). The words used in the alternative answer show great diversities.Conclusion:We recommend that the alternative answers be designed as five levels, it is better to apply commonly used words in the alternative answer and have a feature of equal interval.
