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Journal : SAINTIFIKA

PENGARUH MODEL PEMBELAJARAN THINK PAIR SHARE BERPENDEKATAN PBL TERHADAP KETERAMPILAN BERPIKIR KRITIS DAN HASIL BELAJAR Hasan Albana Rhomadhon; Joko Waluyo; Slamet Hariyadi
saintifika Vol 18 No 2 (2016)
Publisher : FKIP Universitas Jember

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Abstract

Critical thinking skills are included in high-level thinking skills that train students to think logically, scientifically, and are relevant in solving problems. These skills need to be applied in the learning of the modern era today, one of which is PBL-based TPS learning that has the thinking syntax of thinking, grouping, and sharing opinions, combined with a problem-based approach. This study aims to determine the effect of Think Pair Share (TPS) learning models based on the Problem Based Learning (PBL) approach to critical thinking skills and students' biology learning outcomes. The population in this study were students of class XI MIPA at Balung Jember High School in the academic year 2017/2018. The research sample was class XI MIPA 2 as the experimental class and class XI MIPA 1 as the control class. The results showed that the Think Pair Share learning model based on the Problem Based Learning approach had a significant effect on critical thinking skills with a significance of (p = 0,000) and was also able to improve students' biology learning outcomes in the cognitive, affective and psychomotor domains.
PENGARUH REBUSAN DAUN SALAM (Syzygium polyanthum Wight) TERHADAP PENURUNAN KADAR ASAM URAT DALAM DARAH MENCIT (Mus musculus L.) JANTAN Strain Balb-C Abil Fida Siskayanti; Joko Waluyo; Slamet Hariyadi
saintifika Vol 19 No 1 (2017)
Publisher : FKIP Universitas Jember

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Abstract

Uric acid is the final substance of purine breakdown which is assisted by guanase and xanthine oxidase enzymes. Excess blood uric acid levels are called hyperurosemia. Treatment is usually using synthetic drugs such as allopurinol which has side effects for the body, so it is necessary to take herbal remedies such as Syzygium polyanthum Wight which contains active ingredients such as flavonoids as an inhibitor of the xanthine oxidase enzyme. This study aims to determine the effect of giving Salam Leaf Decoction to the Decrease in Blood Uric Acid Levels. This study uses a completely randomized design study (CRD) with 5 repetitions. This study uses One Way Anova data analysis and continued with Duncan's Test. From the results of the study, at a dose of P1 (0.2 ml / 20 g WB), P2 (0.4 ml / 20 g WB) and P3 (0.8 ml / 20 g BB), a percentage of uric acid levels decreased 40.45% in group P1; 48.19% in the P2 group; 53.53% in the P3 group; 60.35% in the K + group; and -30.73% in the K-group. Of the 5 doses, the most effective dose to reduce uric acid levels in the blood is P2 dose (0.4 ml / 20g WB).