Contact InformationBack
Date of survey |
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January 14, 2015 |
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Survey method |
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Telephone survey conducted by telephone interviewers |
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Target population |
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Hong Kong residents aged 18 or above who speak Cantonese and know about the contents of the Policy Address |
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Sampling method |
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Telephone numbers are randomly generated using known prefixes assigned to telecommunication services providers under the Numbering Plan provided by the Office of the Communications Authority (OFCA). Invalid numbers are then eliminated according to computer and manual dialing records to produce the final sample. If more than one subject had been available, the one who had his/her birthday next was selected. |
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Sample size & effective response rate |
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525 successful cases, the effective response rate is 67.3% |
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Std. sampling error |
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Less than 2.2% (at 95% confidence level, the maximum sampling error of all percentages should be no more than +/-4.4 percentage points) |