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Study of Instructional Leadership Affecting Academic Administrative Effectiveness of Administrators in Schools under the Office of Saraburi Primary Educational Service Area Office 1
This research aims to (1) study the instructional leadership of the administrators of schools under the Office of Saraburi Primary Educational Service Area Office 1 that affects academic administrative Effectiveness, and (2) compare the instructional leadership of the administrators in schools under the Office of Saraburi Primary Educational Service Area Office 1 between those with high student achievement average scores and those with low student achievement average scores. The sample group for Objective 1 consisted of 96 school administrators and 209 teachers totaling 305 selected through stratified random sampling technique. The sample group for Objective 2 was 20 school administrators selected through purposive sampling. The research instruments used for data collection were (1) Principal Instructional Management Rating Scale: Principal Form (2) Principal Instructional Management Rating Scale : Teacher Form (3) Semi-structured Interview, (4) Teacher Satisfaction Questionnaire, and (5) Document Analysis. The descriptive statistics used for data analysis were mean, standard deviation, and percentages. The inferential statistical analysis was done by a computer software package. The key findings were as follows: 1) instructional leadership of administrators of schools had a direct influence on academic administrative effectiveness with the influence coefficients of 0.89 and the square multiple correlation coefficient of 0.80; and 2) instructional leadership scores of administrators in schools between those with high student achievement average scores and those with low student achievement average scores were significant different. Out of 66 items, administrators with high leadership scores had leadership behavior of 62 items (93.33 per cent), while those with low leadership scores had 32 items (48.48 per cent). The difference of behavioral items was 30 items accounted for 45.45 per cent.