This was a historical (survey, experimental, research and
development) research ....
- The population was (elementary school teachers in the Southern part of Thailand).
- The sample was selected using (sampling technique) ... หรือ
(Sampling technique was used to draw 500 subjects...)
- The instruments used were (self-administered questionnaires,
interview guides, rating scales, etc.)
- Data were collected via (data collecting techniques) ...
- Data were analyzed using (statistical tools) ...