Özet:

The aim of this study is to determine the internet addiction levels of high school students and investigate the relationship between their internet addiction levels and general academic achievement average and absenteeism. The sample of the research in the relative survey model consisted of 220 ninth and tenth grade students selected with purposive sampling in the central district of Tokat, Turkey. The data of the study were collected by the "Internet Addiction Scale", "Personal Information Form". Students' general academic achievents and absenteeism avarages were obtained by e-school system. In the analysis of the data; frequency and percentage were used for the internet addiction levels of students, t-test was used for gender variable and correlation analysis was used for the relationship between the internet addiction levels and general academic achievement and absenteeism. The significance level is accepted as .05 in all measurements. Findings of the study revealed that; 25.91% of the students were internet addicts, 38.18% were likely addicted and 34.91% were non-addicted, internet addiction levels of high school students did not show a statistically significant difference according to their gender. In addition, it was found that there was a significant negative correlation between students' internet addiction levels and general academic achievement average and there was a significant positive correlation between internet addiction levels and absences. According to these findings it can be said that a significant portion of high school students (64.09%) participated in the study were at the limit of internet addiction or addicted and as the students’ internet addiction levels increased, their overall academic achievement average decreased and their absences increased.

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