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<h3 style="margin: 0em 1em 0.25em 0em; padding-top: 0.75em; font-family: Cuprum, sans-serif; font-size: 1.8em; color: rgb(51, 51, 51);"> HUBUNGAN INDEKS PRESTASI KOMULATIF (IPK) DAN LAMA STUDI TERHADAP NILAI UJIAN KOMPREHENSIF MAHASISWA PROGRAM STUDI PENDIDIKAN MATEMATIKA</h3>
The main focus of this article is to present a model that explains the depletion in forest biomass (B) due to population size (N), population pressure (P), and industrialization (I). This research explores the complex relationship between forest biomass, population growth, and industrialization. The model generates four fixed points that are all non-negative, and they are known as E1, E2, E3, and E*. The article proceeds to analyze the stability of these fixed points in the context of forest biomass depletion. It is discovered that the fixed points E1, E2, and E3 are saddle points and not stable, while the fixed point E* is stable if it meets certain conditions. The article concludes by carrying out numerical simulations to determine the equilibrium point of the model, which shows that forest resource biomass stability declines as population size, population pressure, and industrialization increase. The simulations reveal that population growth results in a depletion in forest resource biomass, while the opposite is true for the positive impact that forest resource biomass on population levels. Consequently, it is essential to regulate population density and industrialization to manage population growth and protect forest resources.
The aims of the research are to analyze the students learning skill and to know the relationship of learning skill and grade point average. The kind of the research is quantitative in form of correlational research. Research population is 3986 students of Tarbiyah and teacher training faculty in State Islamic Institute of Bukittinggi, meanwhile 5% or 212 students is chosen as research sample.The sampling technique is accidental sampling. Research instrument is questionnaire consisted of 60 statements. Data is analyzed by using descriptive statistic and correlational statistic.Research found the average of students learning skill is categorized into good. Students learning skill analysis can be viewed through 9 indicators consisted of: learning skill, reading skill, questioning skill, taking note skill, learning concentration skill, finishing task skill, learning time management skill, memorizing skill and attending exam skill. Meanwhile, there is low relationship between learning skill and students’ grade point average significantly with correlation coefficient 0,272. From the data above, the contribution of learning skill to students grade point average is 7,4%
This research was discovered the effect of using Discrete-point task towards students’ writing ability. Most of student got difficulties to organize the generic structure of text. This research used experimental research. The researcher used a quasi- experimental design by using the pre-test pos-test control group deisgn. The population of this research was tenth grade of in SMK Cendana Padang Panjang. The sample was X TKJ.1 which was treated as experimental class and taught by using Discrete-point task and X TKJ.2. The researcher used total sampling technique because the population less than a hundred. From the result of the pre-test and post-test scores of the experimental class, it was found that the t-obtained (8.25) was higher than the t-table (1.960). Then, the calculation of post-test both classes: experimental and control classes was obtained the (3.557) was bigger than t table (1.67). For the third hypothesis, mean score of the experimental class is bigger than control class (77.44> 68.5). There is the effect of descrete-point task towars students’ writing Ability.
