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Analysis of the Effect of Stock Portfolio Diversification with the Markowitz Method Approach to Portfolio Risk and Return on Idxbumn20 Index Stocks Refi Tri Anika; Nabila Febriyana; Siti Maisyaroh; Maria Yovita R Pandin
International Journal of Economics and Management Research Vol. 3 No. 1 (2024): April : International Journal of Economics and Management Research
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/ijemr.v3i1.154

Abstract

The purpose of this research is to examine the Effect of Stock Portfolio Diversification with the Markowitz Method Approach to Portfolio Risk and Return on IDXBUMN20 index stocks. This research is a qualitative descriptive research. The subject population consists of 20 stocks of the IDXBUMN20 stock segment listed on the IDX for the period January 2019 to December 2022. IDXBUMN20 contributions from the Indonesia Stock Exchange are used as the main example. at least 4 years. The results of the study show that diversification can increase returns and reduce risks seen in AGRO stocks have a risk of 33% and BRIS 24% with diversification successfully reduced to 19.33% and in ANTM stocks have an expected return of 2.94%, BMRI 1.03% and TINS 0.97% with diversification successfully increased to 3.21%.
Resilience of Muslim Families in the Dynamics of Caring for Children with Special Needs: A Case Study of a 17-Year-Old Girl Siti Maisyaroh; Rafli Hidayat; Fairuz Jihad
MASALIQ Vol 6 No 1 (2026): MASALIQ: Jurnal Pendidikan dan Sains
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v6i1.8662

Abstract

Hearing impairment in Indonesian adolescents poses significant developmental challenges, including socio-emotional difficulties and risks of cognitive delay, which are exacerbated by limited early interventions and cultural stigma. This qualitative single-case study examines the lived experiences of Suci Cahaya, a 17-year-old female high school student with hearing impairment, with a specific focus on family parenting dynamics, socio-emotional challenges, and religious coping strategies within an Islamic context. Data were collected through in-depth semi-structured interviews, and credibility was strengthened through triangulation of information across sources and perspectives. The findings show a marked shift from Suci’s outgoing childhood to adolescent introversion, precipitated by bullying and communication barriers, yet concurrently buffered by collaborative parenting—her mother’s patient, repetitive guidance and her father’s active advocacy—alongside supportive community engagement. Religious values, including sincerity, sabar (patience), and viewing disability as amanah (divine trust), fortified family resilience, reframed caregiving as spiritual worship, and helped reduce psychological distress. The study concludes that culturally embedded, faith-informed parenting and community support can foster adaptive coping and resilience among adolescents with hearing impairment in Indonesian Muslim families, offering critical insights for the design of inclusive education, family-centered interventions, and faith-integrated policies.
PESTISIDA NABATI DAUN BABADOTAN (Ageratum conyzoides L.) DALAM MENGENDALIKAN HAMA PADA TANAMAN PAKCOY (Brassica rapa L.) Siti Maisyaroh; Noorkomala Sari; Akhmad Rizali
Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Vol 23 No 2 (2025): Jurnal Agroqua
Publisher : University of Prof. Dr. Hazairin, SH

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32663/ja.v23i2.5218

Abstract

Demand for pak choi plants has continued to increase in recent years, but due to pest attacks, it has caused unstable production of pak choi plants. The main pests that attack pak choi plants are armyworms and caterpillars. One way to control pests on pak choi plants is to use organic-based biopesticide that are safer to use. One of the organic materials that can be used for organic pesticides is goat weed leaves. Goat weed is a nuisance weed that lives wild and is found in many regions in Indonesia. Goat weed plants can be used as biopesticide because goat weed plants have bioactive content that is anti-pest. The factor studied in this. research is the treatment of goat weed leaf extract with five concentration levels repeated as many as four replicates so as to get 20 units of experimental units. The results obtained from this study are pests that attack pak choi plants in this study are armyworms, tritip caterpillars, and flea beetles. Application of botanical pesticide solution of goat weed leaves has an effect on pest control in pak choi plants. The best concentration in the application of goat weed leaves solution is at a concentration of 20%, namely with a value of pest attack intensity on pak choi of 3.1%.
Pengaruh Metode Bandongan Terhadap Kemampuan Tahsin dan Tahfidz Al-Qur’an Siti Maisyaroh
Al-Bahtsu: Jurnal Penelitian Pendidikan Islam Vol 7, No 1 (2022): Islamic Education Research
Publisher : UIN Fatmawati Sukarno Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29300/btu.v7i1.5210

Abstract

The purpose of the research is to : 1) Knowing whether there is an effect of using the bandongan method on the tahsin Al’quran students ability in the Madrasah Diniyah Awaliyah Miftahul Ulum, 2) Knowing whether there is an effect of using the bandongan method on the tahfidz Al Qur’an students in the Madrasah Diniyah Awaliyah Miftahul ulum. 3) Knowing whether there is an effect of using a bandongan method on the students’ ability of tahsin and tahfidz Al Qur’an students ability in the madrasah Diniyah Miftahul ulum. The type of experimental research used is Quasi Experimental Research with Nonequivalent Control Group Design. The research subjects consisted of 52 students as the study population. Collecting data using observation, documentation and oral test (pretest and posttest). The hypothesis testing is done by t-test using independent sample test and f test using One Way Anova to find out whether there is a significant effect of using the bandongan method on the ability of tahsin and tahfidz Al Qur’an. Based on the results of the discussion about the use of the bandongan method, it has no effect on the ability of tahsin and tahfidz Al-Qur’an. This is evidenced by the results of the independent t-test data analysis sample test of the ability of the Qur’anic tahsin at the 5% significance level, the calculated significance value is greater than 0.05, namely 0.526 and the ability of the Qur’anic tahfidz is obtained a greater significance value. from 0.05 to 0.283. Analysis of the f One Way Anova test data with a significance level of α = 0.05, namely sig. 0.592 ≥ 0.05 shows that there is no significant effect of using the bandongan learning method on the ability of tahsin and tahfidz Al-Qur’an.