The aim of the present study was to develop the Saudi version of the CSS-12 and test its psychometric properties. A community sample of 200 Arabic -speaking adults (55% women; mean age = 26.3535 ± 8.17240 years) completed the Arabic translation of CSS-12 along with measures of health anxiety, obsessive-compulsive, anxiety and depressive symptoms. The Saudi version of the CSS-12):was found to be a self rating scale with good psychometric characteristics which measures what it claims to measure. validity calculated in several ways such as: content validity, internal construction, & Construct validity with two different kinds : concurrent validity (By finding the correlation with the scale of positive components of classroom environment), & factorial validity. Reliability calculated using Cronbach’s alpha equation & half-spilt method.

  The results showed that the instrument has good psychometric characteristics. The 12-item (CSS-12)is a stable, concise, and validated tool to measure Cyberchondria Severity. It is applicable for Saudi community adults in nonspecific stressful settings and has potential utility in the health care domain.

Keywords: Cyberchondria Severity Scale (CSS‑12):; Validating