Data collection and analysisการเก็บรวบรวมข้อมูลและการวิเคราะห์
We contacted principals from the three school to obtain their participation in a study of educational reform. Two days were spent at each of the shools.a researcher observed and conducted focus group interviews with teachers more extensive individual interviews were held with each of the principals.
The interviews were semi-structured and designed to elicit staff perceptions of the change process that the school had undertaken . each interview typically lasted from one to two hours.