*平均量值是把所有答案按照正面程度，以1分最低5分最高量化成為1、2、3、4、5分，再求取樣本平均數值。 *The mean value is calculated by quantifying all individual responses into 1, 2, 3, 4, 5 marks according to their degree of positive level, where 1 is the lowest and 5 the highest, and then calculate the sample mean.

#2012年以前的調查問卷，用語為「你對香港警務處既表現滿唔滿意?」，之後則改為「你對香港警務處既表現滿唔滿意?」。 #The wordings used in surveys before 2012 were “Are you satisfied with the performance of the Hong Kong Police?”. After that, they are changed to "Are you satisfied with the performance of the Hong Kong Police Force?".