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All Journal Journal of Educational, Health and Community Psychology Jambura Journal of Mathematics Emerging Statistics and Data Science Journal Developmental and Clinical Psychology
Sulistyawati, Yuni
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Computer Science & IT Education Mathematics Public Health Other

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Implementasi Metode New Jersey dalam Perhitungan Cadangan Premi dengan Suku Bunga Stokastik dan Konstan Sulistyawati, Yuni; Kartikasari, Mujiati Dwi
Jambura Journal of Mathematics Vol 6, No 2: August 2024
Publisher : Department of Mathematics, Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjom.v6i2.24668

Abstract

Premium reserve allocation represents an obligation undertaken by insurance companies to set aside funds for future claims payment to policyholders. Some insurance companies have faced operational challenges, leading to their closure, primarily due to inaccurate premium reserve computations. This research aims to calculate premium reserve in lifelong insurance using the New Jersey method, an improvement upon the Illionis method. The New Jersey method initiates the premium reserve at the beginning or end of the first year at zero dollars. The majority of premium reserve calculations still rely on constant interest rates. However, in reality, this approach inadequately reflects future fluctuations in interest rates, which are crucial for long-term life insurance products. Therefore, this study implements a more realistic approach using stochastic elements, using the Vasicek stochastic interest rate model to determine premium reserve values. From this research, it was found that there was quite a significant difference between the New Jersey method premium reserve value and the two interest rates. The calculation graph shows that the premium reserve value using the Vasicek model of stochastic interest rates tends to be lower than when using constant interest rates. This can be caused by the results of non-constan variations in interest rates in the Vasicek model which ultimately results in fluctuations in interest rates which wffect the calculation of premium reserve.
Implementasi K-Medoids Clustering Dalam Pengelompokan Provinsi Di Indonesia Berdasarkan Kepesertaan Aktif Jaminan Sosial Tenaga Kerja: Implementasi K-Medoids Clustering Dalam Pengelompokan Provinsi Di Indonesia Berdasarkan Kepesertaan Aktif Jaminan Sosial Tenaga Kerja Sulistyawati, Yuni
Emerging Statistics and Data Science Journal Vol. 2 No. 3 (2024): Emerging Statistics and Data Science Journal
Publisher : Statistics Department, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/esds.vol2.iss.3.art28

Abstract

Berdasarkan data dari Portal Data Ketenagakerjaan RI, jumlah peserta BPJS Ketenagakerjaan di Indonesia hingga Desember 2022 mencapai 55,38 juta orang, baik aktif maupun non-aktif. Ini menunjukkan pentingnya BPJS Ketenagakerjaan dalam melindungi kesejahteraan tenaga kerja. Progam jaminan sosial sudah diatur dalam undang-undang, namun banyak pekerja yang belum terdaftar sebagai peserta atau peserta non-aktif. Oleh karena itu, diperlukan analisis untuk mengidentifikasi pengelompokan peserta aktif berdasarkan karakteristiknya. Salah satu cara untuk melakukan analisis tersebut adalah dengan menggunakan metode clustering atau pengelompokan data. Tujuan dari penelitian ini adalah untuk menganalisis secara deskriptif data kepesertaan dan mengelompokan provinsi di Indonesia berdasarkan jumlah kepesertaan aktif menggunakan metode K-Medoids Clustering. Analisis ini menghasilkan 3 cluster, cluster 1 terdiri dari 29 provinsi dengan tingkat kepesertaan terendah, cluster 2 terdiri dari provinsi DKI Jakarta, dengan tingkat kepesertaan tertinggi, dan cluster 3 terdiri dari 4 provinsi yaitu Jawa Barat, Jawa Tengah, Jawa Timur, dan Banten dengan tingkat kepesertaan sedang.
Adaptation and Psychometric Evaluation of the Indonesian Version of the Career Aspirations Scale-Revised (CAS-R) among Adolescents Prihastuty, Rahmawati; Rahmawati, Dyah Ayu; Pertiwi, Talitha Lintang; Alwan, Faiz Fatihul; Rohmah, Afifatur; Rizq, Attaya Rana; Sulistyawati, Yuni
Journal of Educational, Health and Community Psychology Vol 14 No 3 SEPTEMBER 2025
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/jehcp.vi.31312

Abstract

The dynamic changes within the world of work require individuals to engage in robust career planning. In this context, career aspiration is understood as a psychological construct reflecting an individual’s hopes, motivations, and goals related to their future employment. This study aimed to adapt and evaluate the psychometric properties of the Career Aspirations Scale-Revised (CAS-R) into Indonesian to provide a valid and reliable measurement tool. The respondents comprised 549 Indonesian adolescents. The adaptation process followed the ITC (2018) guidelines, encompassing content validation, construct validation through Confirmatory Factor Analysis (CFA) and Rasch analysis, as well as reliability testing. The CFA results supported a three-factor structure (RMSEA = 0.034; CFI = 0.990; TLI = 0.990), with 18 items meeting the factor loading criteria. Cronbach’s alpha of 0.910 indicated high reliability. Rasch analysis further supported the instrument’s validity and internal consistency, with 19 items deemed to fit the model. These findings confirm that the Indonesian version of CAS-R is a suitable instrument for measuring adolescents’ career aspirations in Indonesia. It can be used by schools, counselors, and psychological institutions to support career assessment and planning.
The Effect of Perceived Father Involvement on Emotional Intelligence in Adolescents Sulistyawati, Yuni
Developmental and Clinical Psychology Vol. 5 No. 2 (2024): December 2024
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/dcp.v5i2.17097

Abstract

The period of adolescence is often characterised by emotional agitation, creating a vulnerability to the influence of the surrounding environment. Adolescents frequently lack the capacity to recognise, regulate and control their emotions, which can result in social difficulties. This indicates that adolescents exhibit a deficiency in emotional intelligence. To fulfil their emotional intelligence, adolescence is influenced by a variety of factors, including the role of parents. Parents, as the primary figure in the care of adolescents, have a significant role in the development of adolescent emotional intelligence. The involvement of fathers in parenting is an important factor to consider when examining the relationship between fathers and their children in the context of emotional intelligence development. This study aims to determine the effect of perceived father involvement in parenting on adolescents' emotional intelligence. The research method was correlational research, conducted on a sample of 180 adolescents in Indonesia, aged between 13 and 18 years. A convenience sampling technique was used for the selection of participants. The father's involvement scale consists of 27 items with an alpha coefficient of 0.959, while the emotional intelligence scale consists of 12 items with a coefficient of 0.868. In this study, the hypothesis test is a simple linear regression analysis, using JASP 0.18.3 software. The findings of this study evidenced a significant influence between adolescents' perceptions of father involvement and their emotional intelligence. Furthermore, this study emphasises that adolescents with divorced parents have positive perceptions of father involvement and their emotional intelligence.
Co-Authors Alwan, Faiz Fatihul Kartikasari, Mujiati Dwi Pertiwi, Talitha Lintang Rahmawati Prihastuty, Rahmawati Rahmawati, Dyah Ayu Rizq, Attaya Rana ROHMAH, AFIFATUR