The passion scale: Aspects of reliability and validity of a new 8-item scale assessing passion.

In this article, the psychometric properties of a new scale aimed at quantifying passion are explored, i.e. passion related to becoming good or achieving in some area/theme/skill. The Passion Scale was designed to be quantitative, simple to administer, applicable for large-group testing, and reliable in monitoring passion. A total of 126 participants between 18 and 47 years of age (mean age = 21.65, SD = 3.45) completed an assessment of Passion Scale (PS), enabling us to investigate its feasibility, internal consistency, construct validity and test-retest reliability. Feasibility: The overall pattern of results suggest that the scale for passion presented here is applicable for the age studied (18–47). Internal consistency: All individual item scores correlated positively with the total score, with correlations ranging from 0.51 to 0.69. The Cronbach's alpha value for the standardized items was 0.86. Construct validity: Pearson correlations coefficient between total score passion scale and Grit-S scale were 0.39 for adults, mean age 21.23 (SD = 3.45) (N = 107). Test-retest reliability: Intraclass cor coefficient (ICCs) between test and retest scores for the total score was 0.92. These promising results warrant further development of the passion scale, including normalization based on a large, representative sample.