Research DesignBack
|
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 1 June and ended on 20 June, 2011. A total of 109 questionnaires were received via fax and were considered valid. The response rate of this survey was 20.6%, with a standard error of sampling of no more than 4.3%, had it been a representative survey (Table 1). |
| Table 1. Contact information of the survey |
| Successful Cases | Distributed Questionnaires | Response rate* | Standard Error** |
109 |
530 |
20.6% |
4.3% |
** Calculated as if these are random sample surveys.
