調查方法 Survey Method返回
本區議會選舉跟進調查為電話問卷調查,由嚴格督導下的訪員進行訪問。 | ||
訪問對象為十八歲或以上之操粵語的香港市民。 | ||
各次調查的成功樣本數目都在五百以上。二千年五月份起,成功樣本數目更增加至一千以上,兼且根據香港人口的年齡性別分佈加權調整。 | ||
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
This follow-up survey on the District Council Election conducted by the POP Team is a telephone survey conducted by interviewers under close supervision. | ||
Target population of these surveys are Cantonese speakers in Hong Kong of age 18 or above. | ||
The sample size of these surveys are more than 500 successful cases each time. Since May 2000, it has been increased to more than 1000, and weighted according to gender-age distribution of the Hong Kong population. | ||
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. |