DEVELOPMENT OF A VALID AND RELIABLE INSTRUMENT FOR THE ASSESSMENT OF INSTRUCTIONAL LEADERSHIP OF SECONDARY SCHOOL HEADS

Abstract

The present study was designed to develop a valid and reliable instrument for assessing the instructional leadership of school head at secondary school level. A pool of items was picked by examining the existing literature of instructional leadership. The items were then scrutinized and validated by experts in the field of education. After receiving appropriate validation the instrument was administered to public school teachers at secondary school level in district Dera Ismail Khan of the province Khyber Pakhtunkhwa. A total of 64 working teachers at secondary school level participated in the study. A 30 item instructional leadership scale was finalized after getting its reliability. The outcomes of the reliability analysis for item total correlation ranges from .40 to .85; inter scale correlation ranges from .64 to .84, while the magnitude of Cronbach alpha varies from .83 to .88 between the domains and for all 30 items this value is 96.