Judul: Analisis hubungan tingkat stres dengan nilai UTS metode statistika (Studi kasus: mahasiswa IPB yang mengambil mata kuliah metode statistika pada semester genap tahun ajaran 2013/2014)
Abstrak: Person's success in education can be seen from the learning achievement is usually seen from the test score. Learning achievement is influenced by external and internal factors (physic and psychologic). Psychological condition related with psychiatric condition of person such as stress. Stress can affect decreased academic. There are some factors that cause stress (stressors), both sourced from within themselves, families, and the community. Students are a group who susceptible to stress. This research take a case study students of Bogor Agriculture University who take course Statistical Method with the goal to get information about general description from stress on students and the factors that impact directly and indirectly on the Mid Test Term score of Statistical Method. Path analysis is a method that can be used to analyze the causal relationship between variables in order to determine direct effect and indirect effect, with the factors that cause stress as exogenous variables (descriptors) and the stress score and Mid Test Term score of Statistical Method as variables endogenous (response). The results of this research indicate that there are 114 of the 150 students experience mild stress to very severe stress. High and low of the student stress score greatest influenced by difficult level of adaptability, while the Mid Test Term score of Statistical Method greatest influenced by difficult level of learn the lesson.
Keyword: Bogor Agricultural University (IPB), stressor, stress, path analysis

Judul: The Correlation between Stress Score, Eating Habit and Nutritional Status of Final Year Sudents
Abstrak: Mahasiswa tingkat akhir sering mengalami stres karena mengerjakan skripsi, sehingga dapat memengaruhi pola makan dan status gizi. Penelitian ini bertujuan menganalisis hubungan nilai skor stres, pola makan dan status gizi pada mahasiswa tingkat akhir. Desain penelitian menggunakan studi cross sectional melibatkan 30 subjek. Penelitian dilakukan November 2019 hingga Maret 2020 di Fakultas Ekologi Manusia IPB. Data yang dikumpulkan adalah karakteristik individu dan keluarga, nilai skor stres, pola makan, dan status gizi. Data nilai skor stres dikumpulkan menggunakan kuesioner Depression Anxiety Stress Scales 42 (DASS 42), sedangkan data pola makan dikumpulkan menggunakan Food Frequency Questionnaire (FFQ) dan recall 2 x 24 jam. Hasil penelitian menunjukkan pola makan sebagian besar subjek belum sesuai panduan gizi seimbang. Sebagian besar subjek memiliki rata-rata tingkat kecukupan gizi defisit, 83,3% subjek berstatus gizi normal dan 63,3% subjek memiliki nilai skor stres terkategori stres sedang. Terdapat hubungan signifikan negatif antara nilai skor stres dengan asupan energi (p<0,05), artinya semakin tinggi nilai skor stres mahasiswa, asupan energi subjek semakin rendah. Tidak terdapat hubungan pola makan dengan status gizi (p<0,05), demikian pula tidak terdapat hubungan antara nilai skor stres dengan status gizi (p>0,05)., Final-year students often experience stress because they work on their thesis, which may affect their eating habits and nutritional status. This study analyzes the relationship between stress scores, eating habits, and final year students' nutritional status. The study used a cross-sectional study design involving 30 subjects. The research was conducted from November 2019 to March 2020 at the Faculty of Human Ecology, IPB. The data collected were individual and family characteristics, stress scores, eating habits, and nutritional status. Stress score data were collected using the Depression Anxiety Stress Scales 42 (DASS 42) questionnaire while eating habit data were collected using the Food Frequency Questionnaire (FFQ) and 2x24-hour recall. The results showed that the diet of most of the subjects did not comply with balanced nutrition guidelines. Most of the subjects had an average nutritional adequacy deficit, 83,3% of subjects with normal nutritional status, and 63,3% had stress score categorized as moderate stress levels. There is a significant negative relationship between the stress score and energy intake (p <0,05), meaning that the higher the students stress score the lower the energy intake. There is no relationship between eating habits and nutritional status (p<0,05), as well as no relationship between stress scores and nutritional status (P>0,05).
Keyword: final year students, eating habit, nutritional status, stress score

Judul: Formulasi Hamiltonian untuk Menggambarkan Gerak Gelombang Soliter Dimensi Tiga di Permukaan Laut
Abstrak: Gelombang permukaan adalah gelombang yang terjadi perbedaan rapat massa antara air dan udara. Salah satu gelombang permukaan yang ditinjau adalah gelombang soliter. Formulasi gelombang soliter dilakukan dengan menggunakan formulasi Hamiltonian.
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