Abstract
This study aims to determine the influence of learning models and numerical ability of students’ chemistry learning outcomes on Thermochemical materials, as well as the interaction between learning models through the use of laboratory and numerical ability. The study was conducted on the students of grade XI IPA SMA N 1 Stabat consisting of 9 classes and 2 classes as samples taken by purposive sampling. Experimental research with factorial 2 × 2 factorial ANOVA design. Learning result data obtained from result of thermochemical learning result and student numerical ability data obtained through numerical ability test which have all been validated. The data analysis technique used two way analysis of variance (ANOVA). The result of the research shows that the influence of the learning model using the laboratory on the students’ learning outcomes on thermochemical materials with Fcount> Ftable is 4.015> 3.99, there is the effect of high numerical ability and low numerical ability to the chemistry learning result on thermochemical material with Fcount> Ftable value is 23.717 > 3.99 and there is interaction between learning model using laboratory with numerical ability to result of thermochemical learning with value Fcount>Ftable that is 11.142>3.99.
Highlights
The main problem in learning in formal education which is still widely found in Indonesia today is about the low learning outcomes of learners
This study aims to determine the influence of learning models and numerical ability of students’ chemistry learning outcomes on Thermochemical materials, as well as the interaction between learning models through the use of laboratory and numerical ability
From the data processing presented obtained that for students who are taught by Problem Based Learning (PBL) learning model using Virtual Lab media and high numerical ability obtained average learning outcomes (84.43 ± 2.80), for class which is taught by PBL learning model using Virtual Lab media and low numerical ability obtained by average learning outcomes (73.73 ± 5.26)
Summary
The main problem in learning in formal education (school) which is still widely found in Indonesia today is about the low learning outcomes of learners. To improve students’ learning outcomes, there is a need for learning that is interesting for students, among others, by using learning and media models in accordance with the material being taught. To improve problem-solving skills, this learning model is considered the most appropriate teaching method. Likewise, according to Hmelo-Silver (2004), Savery (2006) states that PBL is a learning model in which students learn through problem-facilitated problem-solving that focuses on complex issues that have one correct answer. According to (Becker & Maunsaiyat, 2004; Blumberg, 2000; Chen et al, 2001) states that Problem-based learning is described as a student-centered, inquiry-based approach and build problem-solving skills. The use of laboratory media in this study is distinguished by virtual labs and real laboratories
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