The concurrent validity was measured using partial correlation
analysis, by controlling the level of education, to compare the SAS
with Y-scale and K-scale. Each partial correlation coefficient was
significantly high enough to prove the validity of the SAS. The
internal consistency and concurrent validity of the scale and its
subscales were also verified. The SAS and its subscales were
significantly correlated with K-scale and Y-scale. The VAS score
of each factor also showed a significant correlation with each
subscale. All these indicate that the SAS was proven to represent
the level of smartphone addiction with high reliability and validity.
The results of this study should be interpreted in the context of
the study’s limitations. First, the sample was small and was not