SKMS: Data Quality Control
調查知識管理系統 資料品質控制
Historical Records of Current CATI and CASIC's Data Quality
Very Inconsistent in a Very Short Timeframe
Such as: Class Voting (CV)
CV indicate(%) =
Low Class Voters - (High Class + Middle Class)
KMT |
DPP |
|
1989 County and City Mayor |
8.38 |
15.60 |
1989 Legislative |
0.66 |
8.54 |
1991 National Assembly Representative |
1.44 |
2.98 |
1992 Legislative |
-17.92 |
-9.74 |
1995 Legislative |
-62.22 |
-63.16 |
1996 President |
-63.06 |
-62.18 |
Source: Office of Survey Research,
Academia Sinica Basic Survey of
Social Change, 1989-1996
Negligence in Doctorial and Master Thesis, 1990-2001
An Example: Sampling Procedure
Significant Suspicion of 4 Situations
Total percentage of any of significant suspicious situation: 29.52%
Situation |
|
Do not know what is random sampling |
25.71 |
Do not know sampling framework's limitation |
22.86 |
Significant suspicious sample numbers |
11.43 |
Sampling process errors |
4.76 |
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