อิทธิพลของภาวะผู้นำการเปลี่ยนแปลงต่อแรงจูงใจในการทำงาน ความพึงพอใจในการทำงาน และผลการปฏิบัติงานของพนักงานในโรงงานอุตสาหกรรมการผลิตพลาสติกของญี่ปุ่นแห่งหนึ่งในนิคมอุตสาหกรรมเวลโกลว์

Teerayuth            Mekprasart; Nuttapong Ramanut; khanitha Nirattananon; Therd Thongdee; Nuttavut Sankhantiviroj; Sumalee Ramanust

Authors

Teerayuth Mekprasart Independent Researcher
Nuttapong Ramanut Lecturer, Computer Science Program, Faculty of Business Administration and Public Administration, Western University.
khanitha Nirattananon Assistant Professor, Department of Accounting, Faculty of Business Administration, SAU.
Therd Thongdee Independent Researcher
Nuttavut Sankhantiviroj Independent Researcher
Sumalee Ramanust Associate Professor, Department of Philosophy Program in Business Administration, SAU.

Keywords:

Transformational leadership, Work motivation, Job satisfaction, Employee performance

Abstract

This study aimed to (1) examine the levels of transformational leadership, work motivation, job satisfaction, and employee performance, and (2) investigate the mediating role of job satisfaction in linking transformational leadership and work motivation to employee performance. The sample consisted of 200 employees working at a Japanese plastic manufacturing company located in the Wellgrow Industrial Estate. Based on the conceptual framework of Hair et al. (2006), a quantitative research design was employed. Data were collected through a questionnaire, which demonstrated an Index of Item-Objective Congruence (IOC) ranging from 0.67 to 1.00 and a reliability coefficient of 0.897. Descriptive statistics—frequency, percentage, mean, and standard deviation—were used, while inferential statistics were analyzed using Structural Equation Modeling (SEM) via SmartPLS software. The research results revealed that the level of transformational leadership was at a high level (x ̅=3.918, SD=0.863). Work motivation was also at a high level (x ̅=3.859, SD=0.867), followed by job satisfaction (x ̅=3.745, SD=0.932) and employee performance (x ̅=3.724, SD=0.943).The results of the structural equation model (SEM) analysis indicated that the factors with direct effects on employee performance were work motivation = 0.557***, job satisfaction= 0.312*** and transformational leadership (TL) = 0.130*. In addition, transformational leadership had a strong influence on work motivation = 0.888***. Transformational leadership also had indirect effects on employee performance = 0.316) and job satisfaction = 0.164.

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