調查方法Survey MethodBack
調查方法
| 有關市民對中央政府的觀感的調查自九九年起每年在六月進行一次， 皆是由嚴格督導下由訪員親身進行的電話問卷訪問。 | ||
| 所有調查的訪問對象皆為十八歲或以上之操粵語的香港市民。 | ||
| 電話號碼抽樣方法是從住宅電話簿中首先以隨機方法抽取「種籽」號碼，再 以加一減一加二減二的方法產生另一組號碼，然後在混合後再過濾重覆號碼 ，再以隨機排列方式排次成為最後樣本。 | ||
| 抽取住戶成員的方法是由訪員在成功接觸目標住戶後，用「即將出生日期」 的方法由當時在家的成員抽取其中一人進行訪問。 | ||
Survey Method
 | Surveys on people's feelings abpout the Central Government are conducted annually every June since 1999. All surveys are conducted by telephone interviewers under close supervision. | ||
| Target population of these surveys are Cantonese speakers in Hong Kong of age 18 or above. | ||
| Telephone numbers are first selected randomly from telephone directories as seed numbers. Another set of numbers is then generated by using the plus/minus one/two method. Duplicate numbers are then screened out, and the remaining numbers mixed in a random order to become the final sample. | ||
| Upon successful contact being made with a target household, one member of the household is selected among those present using the "next birthday" rule. | ||
