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Paulus H. Abram
Universitas Tadulako, Palu – Indonesia 94119
Chemistry Education

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The Effect of Cooperative Learning Model STAD Type Based on Mind Mapping toward Students’ Learning Outcomes on Chemical Bond Material in 10th Grade SMA Negeri 1 North Parigi Nurhijrah Nurhijrah; Paulus H. Abram; Sitti Aminah
Jurnal Akademika Kimia Vol. 9 No. 3 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (245.903 KB) | DOI: 10.22487/j24775185.2020.v9.i3.pp168-171

Abstract

This study aimed to describe the effect of cooperative learning model STAD type based on mind mapping toward students’ learning outcomes on chemical bond material in 10th Grade SMA Negeri 1 North Parigi. This type of research was quasi experiment with a non-randomized pretest posttest control group design. Sampling was done based on special considerations (purposive sampling). The sample used in this study were students of class X Science 1 as the experimental class (n = 22) and class X Science 2 as the control class (n = 23). The results of data analysis obtained the average value ( ) of the experimental class was 72.18 with a standard deviation of 13.12, while  of the control class was 66.21 with a standard deviation of 10.04. The results of hypothesis testing with one-party t-test statistics (right party) obtained a value of tcount = 6.03 and ttable = 1.68 with a significant level of ( ) = 0.05 and dk = 43. This indicated that H0 was rejected and H1 was accepted so it can be concluded that learning outcomes with cooperative learning model STAD type based mind mapping was higher than the direct learning model on chemical bonding.
Determination of Iron (Fe) and Copper (Cu) on Pellets from Fermentation of Mozambique Tilapia (Oreochromis mossambicus) using Goat Dirt Adhesives Verren T. M. Pariama; Paulus H. Abram
Jurnal Akademika Kimia Vol. 9 No. 1 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2295.104 KB) | DOI: 10.22487/j24775185.2020.v9.i1.pp16-21

Abstract

Tilapia fish waste and livestock manure are an environmental problem, besides being smelly pollution will also cause disease disorders for humans. The purpose of this study was to determine the levels of micronutrients of iron (Fe) and copper (Cu) on pellets from the fermentation of waste tilapia (oreochromis mossambicus) using adhesive goat manure. Fish waste was fermented for 15 days and mixed with adhesive goat manure and then was processed in a pellet making machine. The Fe and Cu levels were determined using Atomic Absorption Spectrophotometer (AAS). The results of the determination of levels Fe was 137 ppm and for Cu was 4.1 ppm.
The Intuitive Thinking Ability of Students of Grade XI Science at SMA Negeri 4 Palu through the Implementation of Discovery Learning Model on Colloidal Material Muh. F. I. Ote; Paulus H. Abram; Purnama Ningsih
Jurnal Akademika Kimia Vol. 9 No. 1 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2186.424 KB) | DOI: 10.22487/j24775185.2020.v9.i1.pp22-26

Abstract

This study aimed to describe the intuitive thinking ability in Grade XI SMA Negeri 4 Palu through the implementation of discovery learning model on Colloidal material. This study was a One-Shot Case Study design. The population of this study was all students of grade XI Science at SMA Negeri 4 Palu, and the sample was Class XI Science 3 as the replication class 1 and class XI Science 6 as the replication class 2. The results obtain the intuitive thinking ability of replication class 1 is that the students who solved the problem with a reasonable answer, that is 86.43% in the very high category. Students who solved problems using prior knowledge and experience, that is equal to 77.14% in the high category, and students who solved problems based on generalization of examples or concepts, that is 84.46% in the very high category. While the intuitive thinking ability of replication class 2 is that the students who solved problems with a reasonable answer is 52.85%, in the medium category. Students who solved problems using prior knowledge and experience, that is equal to 76.42% included in the high category, and students who solved problems based on generalization of examples or concepts that is equal to 83.92% in the very high category.
The Effect of Cooperative Learning Model STAD Type Based on Mind Mapping toward Students’ Learning Outcomes on Chemical Bond Material in 10th Grade SMA Negeri 1 North Parigi Nurhijrah Nurhijrah; Paulus H. Abram; Sitti Aminah
Jurnal Akademika Kimia Vol. 9 No. 3 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2020.v9.i3.pp168-171

Abstract

This study aimed to describe the effect of cooperative learning model STAD type based on mind mapping toward students’ learning outcomes on chemical bond material in 10th Grade SMA Negeri 1 North Parigi. This type of research was quasi experiment with a non-randomized pretest posttest control group design. Sampling was done based on special considerations (purposive sampling). The sample used in this study were students of class X Science 1 as the experimental class (n = 22) and class X Science 2 as the control class (n = 23). The results of data analysis obtained the average value ( ) of the experimental class was 72.18 with a standard deviation of 13.12, while  of the control class was 66.21 with a standard deviation of 10.04. The results of hypothesis testing with one-party t-test statistics (right party) obtained a value of tcount = 6.03 and ttable = 1.68 with a significant level of ( ) = 0.05 and dk = 43. This indicated that H0 was rejected and H1 was accepted so it can be concluded that learning outcomes with cooperative learning model STAD type based mind mapping was higher than the direct learning model on chemical bonding.
Determination of Iron (Fe) and Copper (Cu) on Pellets from Fermentation of Mozambique Tilapia (Oreochromis mossambicus) using Goat Dirt Adhesives Verren T. M. Pariama; Paulus H. Abram
Jurnal Akademika Kimia Vol. 9 No. 1 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2020.v9.i1.pp16-21

Abstract

Tilapia fish waste and livestock manure are an environmental problem, besides being smelly pollution will also cause disease disorders for humans. The purpose of this study was to determine the levels of micronutrients of iron (Fe) and copper (Cu) on pellets from the fermentation of waste tilapia (oreochromis mossambicus) using adhesive goat manure. Fish waste was fermented for 15 days and mixed with adhesive goat manure and then was processed in a pellet making machine. The Fe and Cu levels were determined using Atomic Absorption Spectrophotometer (AAS). The results of the determination of levels Fe was 137 ppm and for Cu was 4.1 ppm.
The Intuitive Thinking Ability of Students of Grade XI Science at SMA Negeri 4 Palu through the Implementation of Discovery Learning Model on Colloidal Material Muh. F. I. Ote; Paulus H. Abram; Purnama Ningsih
Jurnal Akademika Kimia Vol. 9 No. 1 (2020)
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/j24775185.2020.v9.i1.pp22-26

Abstract

This study aimed to describe the intuitive thinking ability in Grade XI SMA Negeri 4 Palu through the implementation of discovery learning model on Colloidal material. This study was a One-Shot Case Study design. The population of this study was all students of grade XI Science at SMA Negeri 4 Palu, and the sample was Class XI Science 3 as the replication class 1 and class XI Science 6 as the replication class 2. The results obtain the intuitive thinking ability of replication class 1 is that the students who solved the problem with a reasonable answer, that is 86.43% in the very high category. Students who solved problems using prior knowledge and experience, that is equal to 77.14% in the high category, and students who solved problems based on generalization of examples or concepts, that is 84.46% in the very high category. While the intuitive thinking ability of replication class 2 is that the students who solved problems with a reasonable answer is 52.85%, in the medium category. Students who solved problems using prior knowledge and experience, that is equal to 76.42% included in the high category, and students who solved problems based on generalization of examples or concepts that is equal to 83.92% in the very high category.
Co-Authors Muh. F. I. Ote Nurhijrah Nurhijrah Purnama Ningsih Sitti Aminah Verren T. M. Pariama