<![CDATA[This research aims to see the correlation and contribution between the cognitive levels of the surrounding natural environment in students in class XI at Private High School of Immanuel Medan. This research was conducted on all class XI students consisting of 3 classes, with a population of 120 people and a sample of 93 students. This type of research is descriptive research with correlation techniques. The sampling technique was carried out by random sampling. The research instruments used were cognitive tests of the surrounding natural environment, distribution of awareness questionnaires for the surrounding natural environment, observation sheets and interviews. The research results show that the correlation value formed from the cognitive level of the surrounding natural environment with concern for the surrounding natural environment is 0.289 (low) with a contribution of 11.81% and regression analysis shows the regression equation Ŷ = 1 + 1.5091x. From the calculation results, tcount is 12.78 > ttable 2.78. This indicates that Ha is accepted and H0 is rejected, in other words there is a significant correlation between students' cognitive level and the surrounding natural environment and concern for the surrounding natural environment at Private High School of Immanuel Medan]]>
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