Influence of Guided Inquiry-Based Outdoor Learning on the Concept Mastery of Thematic Learning by Fourth-Grade Students at Primary School

This research aims to know the effect of guided inquiry-based outdoor learning on the concept mastery of thematic learning by fourth-grade students at primary school. this research type is a quasiexperimental research. this research was conducted by categorizing experimental groups through guided inquiry-based outdoor learning model and control groups through conventional learning model. in this research, the population was all the fourth-grade students (40 students) at public primary school bratan i no. 72 surakarta in academic year of 2017/2018. the sample determination was done through cluster random sampling. the techniques of data collection were tests and observations. the techniques of data analysis were descriptive statistics and t-test. the calculation result shows that t result is 4.144 with the significance level at less than 0.05 i.e., 0.000. thus, it can be concluded that the learning with guided inquiry-based outdoor learning model influences the concept mastery of thematic learning by fourthgrade students.