This study used a quantitative design employing a survey method to collect data
from teachers in six selected Islamic private schools in Songkhla. The schools were
selected based on the number of teachers and the student population. In each school,
there should be more than 750 people or it would be considered as large-size or
middle-size schools. It was based on the assumption that these schools should possess
more systematic management system to organize a large number of people. Therefore,
a survey was given to 180 teachers in the schools and 174 questionnaires were
completed and returned to the researcher.
The instrument comprised of two questionnaires; Multifactor Leadership
Questionnaire (MLQ) and Questionnaire Measuring Achievement Tendency (QMAT),
with an additional demographic questions. The MLQ and QMATwere employed in this
study to measure transformational leadership practices of principals and teacher
motivation, respectively. Moreover, the Cronbach’s a which tested the reliability of the
instruments, the MLQ was calculated to be 0.88 and QMAT was calculated to be 0.92,
indicating that the items are acceptable and adequate for this study.