On the problem of population decreasing and the President Ma’s speech on education policy, the entry-exam-free for the K-12 is on the target for going. The purpose of this research is to construct an Adaptive Aptitude Development Testing System (AADTS) for the help on the selection for entering the senior high schools or vocational schools. This research uses the web-based questionnaire for the study. It is continued for two-year term for confirming the psychometric properties of this invented AADTS. The users' guide and the norm-reference table are also constructed for future practical usage of this tool.
