This research aims at enhancing learning developments in Mathematics through online learning systems using multiple cycles. We conducted a classroom action research as a method with the jigsaw type within the cooperative learning model. The research samples were 36 students in the fourth semester. The finding showed that there was a considerable increase in the learning outcomes from the first cycle to the second cycle. In the third cycle, all students reached the minimum submission criteria prescribed by the faculty with a value of 70. It can be concluded that the cooperative learning model of Jigsaw type with an additional assignment of homework can maximize the results of mathematics learning in Indonesian universities.
This research was about school supervisors who play a strategic role in the management of human resources in the school environment. The study aims to determine the direct and indirect influences of organizational culture, personality, job satisfaction, and trust on the school supervisor's performance. The research samples were 180 supervisors of the school Education Office Special capital Jakarta. Data collection using questionnaires with a Likert scale, before analyzed the obtained data will be validated and reliably in respondents outside of the research sample. Data were analyzed through path analysis, as data analysis requirements were tests of normality, homogeneity, and linearity. Research results there was a direct influence of organizational culture, and personality on job satisfaction; Organizational culture, and personality on trust; Organizational culture, and personality on performance; Job satisfaction, and trust on performance, then there was an indirect influence of organizational culture through job satisfaction on the performance of school supervisor. The conclusion that the performance of the school supervisor at the Education Office of Jakarta was influenced by variations level of organizational culture, personality, and Trust, but the personality of school supervisors should have a priority attention to improving their performance.
The performance of education office organizations was influenced by the behavior of its employees. This study aimed to determine the direct and indirect influence of organizational culture, leadership style, personality, and organizational justice towards the job performance of the employee education office in Jakarta. Research samples were 221 employees of the Jakarta Education Office. Data collection using questioner with the Likert scale, The results of the research there was a direct influence of leadership style towards organizational justice; Organizational culture on organizational justice; Personality towards organizational justice; Leadership style on job performance; Organizational culture towards job performance; Personality towards job performance, then organizational justice towards job performance, and personality through organizational justice towards job performance. It was concluded that the level of job performance was influenced by variations in leadership style, organizational culture, personality, and organizational justice.
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