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Sulastri, Iis
Jurnal Pena Ilmiah
Arts Humanities Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Mathematics Social Sciences

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PENGARUH PENDEKATAN KONTEKSTUAL BERSTRATEGI THINK TALK WRITE (TTW) TERHADAP KEMAMPUAN KONEKSI MATEMATIS SISWA PADA MATERI PERBANDINGAN Sulastri, Iis; Irawati, Riana; Karlina, Dety Amelia
Jurnal Pena Ilmiah Vol 2, No 1 (2017)
Publisher : Jurnal Pena Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17509/jpi.v2i1.11250

Abstract

The Lack of students 'understanding of the benefits and usefulness of mathematics for their life has become one of the factors causing the low ability of students' mathematical connections. Alternative solutions for this problem is to use a contextual approach with talk think write strategy (TTW) in mathematics. The method used was the method of quasi-experimental design with nonequivalent control group design. The population in this study were all students of  5th grader in SDN Kecamatan Pasirjambu with  sample 5th grader A-class students of SDN  Cisondari I as a control class and 5th grader B-class as  experiment class. Based on the research that has been done, there was a conclusion that : 1) contextual approach to the strategy think talk write (TTW) and conventional learning can improve the ability to connect mathematical students on material ratio, 2) contextual approach to the strategy think talk write (TTW) is better than conventional learning to improve students' mathematical connection to the material ratio, 3) most of the students in the experimental class gave a positive response to the study by using  contextual approach with talk think write strategy (TTW).  
The Effect of Abusive Supervision on Employee Silence with Perceptions of Organizational Politics and Organizational Justice as Mediation Sulastri, Iis; Wulansari, Nury Ariani
Management Analysis Journal Vol 7 No 4 (2018): Management Analysis Journal
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/maj.v7i4.23976

Abstract

The purpose of this study is to explain the effect of abusive supervision on employee silence with perceptions of organizational politics and organizational justice as mediator. The population of this study was all employees of a developing textile and garment company in the Semarang District. The sampling method used a multi-stage random sampling with a sample of 199 respondents. Methods of data collection used observation, interviews and questionnaires that were measured using a Likert scale. Methods of analysis of this study used the software of WarpPLS 6.0. The results show that abusive supervision and perceptions of organizational politics have a positive effect on employee silence. abusive supervision has a positive effect on perceptions of organizational politics, but abusive supervision has a negative effect on organizational justice. In addition, organizational justice has a negative effect on employee silence. Perceptions of organizational politics and organizational justice as a partial mediating role on the effect of abusive supervision on employee silence. Suggestions for the company that the company can reduce the high of employee silence with giving treatment employees fairly and supervisor should improve its supervision system.
Co-Authors Irawati, Riana Karlina, Dety Amelia Nury Ariani Wulansari