Research DesignBack
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The target population of this survey was defined as the principals of all local secondary schools excluding the international schools. No sampling was required.
This study was conducted by self-administered paper questionnaire, returned by the principals via mail or fax. The data collection period started from 23 May and ended on 20 June, 2014. A total of 96 questionnaires were received via fax and were considered valid. The response rate of this survey was 18.5%, with a standard error of sampling of no more than 4.6%, had it been a representative survey (Table 1).
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Table 1. Contact information of the survey |
Successful Cases |
Distributed Questionnaires |
Response rate* |
Standard Error** |
96 |
518 |
18.5% |
4.6% |
** Calculated as if these are random sample surveys.
