Özet:

This study, it is aimed to describe the effect of high school students' internet addiction levels on their critical thinking dispositions. In this study, in which the relational survey model, which is one of the quantitative research methods, was used, as a sample, a total of 505 high school students, 312 girls, and 193 boys studying at high schools with official state school status in Ankara province Mamak district. A personal information form was used to collect information about high school students. The personal information form is aimed to collect some demographic information (gender, class level, socioeconomic level, educational status of the parents, school type, and academic achievement) from the students. "Internet Addiction Scale" was used to measure internet addiction, which is one of the variables of the research, and the "Critical Thinking Disposition Scale" was used to measure the critical thinking disposition, which is the other variable of the research. Before the data were analyzed, normality distributions were tested in SPSS 24.0 program. Then, descriptive statistical analyzes, correlation analysis, independent samples t-test, and ANOVA were used within the scope of the study. As a result of the research, a negative and significant difference was found between high school students' critical thinking dispositions and internet addiction levels (r=-.268, p<.05). It was found that there was no significant effect of gender, socioeconomic level, parental education level, and class level on internet addiction in sub-dimensions. In the tendency to think critically, while gender was significantly higher in favor of girls, no significant difference was found in terms of socioeconomic level, parental education level, and class level. Conducting new research on the research topic may be important in terms of better understanding the relationship between the two variables.

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