Judul: Hubungan Pengetahuan, Sikap dan Praktik Gizi Ibu dengan Konsumsi Pangan Sumber Yodium dan Penggunaan Jenis Garam Rumah Tangga di Wilayah Pegunungan Kabupaten Cianjur
Abstrak: This study aimed to analyze relationship between mother nutrition knowledge, attitude, and practice and consumption of iodine source and consumption of salt among households in Cianjur highland area. This study was a cross-sectional study, conducted on 153 mother of 4th and 5th grades elementary school students. Iodine source food which frequently consumed were salted fish (68.8%) and eggs (66.7%). Spearman Rank correlation test showed that there ware significant correlations between nutrition knowledge and nutrition attitude (p=0.001; r=0.263), nutrition knowledge and nutrition practice (p=0.003; r=0.221), nutrition practice and food consumption (p=0.064; r=0.124), nutrition attitude and consumption of salt (p=0.064; r=-0.124), and nutrition practice and selection kinds of salt (p=0.004; r=0.216). No significant correlation between nutrition knowledge and consumption of salt (p=0.156); nutrition attitude and nutrition practice (p=0.103); nutrition knowledge and consumption iodine food (p=0.349); and nutrition attitude and consumption iodine food (p= 0.201).
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Judul: Kaitan Perilaku Gizi Ibu dengan Status Iodium, Kecerdasan Kognitif dan Tinggi Badan Siswa Sekolah Dasar di Daerah Pantai Kabupaten Karawang
Abstrak: This study aimed to analyze interelation between nutritional behavior (knowledge, attitude and practices) of mothers with iodine status, cognitive intelligent (measured by IQ scores and academic achievment) and height of elementary school students. The study design was cross sectional with subjects of elementary school students grade 5 and 6 and mothers/caregivers of the students with each number as many as 142. The result showed that there were significant correlations (p<0.05) between mothers’/caregivers’ nutrition knowledge and practices with academic achievement of children; mothers’/caregivers’ nutrition practices with IQ scores of children. There were no significant correlations (p>0.05) between knowledge, attitudes and practices of mothers/caregivers with iodine status and height of children; nutrition knowledge and attitude of mothers/caregivers with IQ scores of children; nutrition attitude of mothers/caregivers with academic achievment of children; and between iodine status with IQ scores, academic achievment and height of children.
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Judul: Pricing of Lookback Options with Floating Strike Price Using The Monte Carlo Method
Abstrak: Opsi lookback adalah opsi yang payoff-nya bergantung pada harga saham terbesar atau harga saham terkecil yang dicapai selama masa berlaku opsi. Opsi lookback dikatakan dengan floating strike price jika nilai dari strike price sebesar harga saham pada saat jatuh tempo. Nilai hampiran opsi lookback ditentukan dengan metode Monte Carlo, sedangkan nilai eksak didapat dari nilai simulasi terbesar yang mampu dihitung oleh komputer. Berdasarkan hasil penghitungan, nilai galat relatif yang dihasilkan semakin kecil dengan semakin bertambah banyaknya simulasi yang dilakukan, sehingga metode Monte Carlo untuk menghitung harga opsi lookback dengan floating strike price konvergen ke nilai eksaknya., Lookback option is an option whose payoff depends on the maximum or minimum of the asset price reached during the option period. The lookback option is said to be a floating strike price if the value of the strike price is equal to the stock price at maturity. The value of the lookback option is determined by the Monte Carlo method, while the exact value is obtained from the largest simulation value that the computer can compute. Based on the calculation results, the resulting relative error value get smaller with the increasing number of simulations performed. Therefore, the Monte Carlo method to calculate the price of the lookback option with the floating strike price converges to the exact value.
Keyword: lookback option, floating strike price, Monte Carlo method, convergent