Using the 1-7 scale below: 1-Strongly disagree, 2-Disagree, 3-Slightly disagree, 4-Neither agree nor disagree, 5-Slightly agree, 6-Agree, 7-Strongly agree.

• 量表用1分到7分依次代表七个等级进行评定:非常不同意、不同意、有点不同意、既不同意也不反对、有点同意、同意、非常同意。