Indexing1Supriyanto, 2Soni Nopembri, 3Sigit Kustriyono Munajad
1,2Department of Physical Education, Faculty of Sports and Health Science, Universitas Negeri Yogyakarta, Indonesia
3Department of Physical Education of Elementary School, Faculty of Sports and Health Science, Universitas Negeri Yogyakarta, Indonesia
DOI : https://doi.org/10.47191/ijmra/v8-i07-19Google Scholar Download Pdf
ABSTRACT:
The purpose of this study was to determine the effect of nutritional status and intelligence quotient (IQ) on academic achievement of adolescent students 16-17 years at SMK Negeri 2 Purworejo. The study used descriptive research method with two independent variables and one dependent variable, sampling using quota sampling technique. The research subjects were teenage students 16-17 years old at SMK Negeri 2 Purworejo which totalled 149 students. Data collection methods using tests and documentation analysis, data analysis using multiple linear regression analysis. The results showed a significant effect of nutritional status on improving the academic achievement of adolescent students 1617 years at SMK Negeri 2 Purworejo with regression coefficient obtained a value of 0.017 smaller than the significance value of 0.05 and coefficient of determination 32%. There is no significant effect of intelligence quotient (IQ) on improving academic achievement of adolescent students 16-17 years old at SMK Negeri 2 Purworejo with a regression coefficient obtained a value of 0.258 greater than the significance value of 0.05 and a coefficient of determination of 2%. Nutritional Status and Intelligence quotient (IQ) together there is a significant influence on improving the academic achievement of adolescent students 16-17 years at SMK Negeri 2 Purworejo with regression coefficient obtained value of 0.010 smaller than the significance value of 0.05 and coefficient of determination 58%.
KEYWORDS:Achievement, Nutritional Status, Intellegience Quotient, Adolescents 16-17 years old
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