The article describes the development and validation of the Career Personality Styles Inventory (CPSI). The CPSI comprehensively assesses Holland's career personality styles with only 22 items. Based on a series of 3 studies, we found satisfactory internal consistency, factor structure, and criterion validities of the newly constructed CPSI.

This study describes the development of the Mathematics Interest Inventory. Internal reliability and concurrent and construct validity were evaluated using 3 samples of children totaling 724. Exploratory and confirmatory factor analyses revealed the presence of 3 factors representing the psychological state of individual interest. Cross-validation…

Holland's construct of differentiation was studied with measures of development, career decisiveness, and achievement. College freshmen completed either the Student Development Task Inventory (N=349) or the Career Decision Scale (N=51). All subjects completed the American College Testing Program's Interest Inventory. Results support Holland's…

Examined the relationship between the Sensation Seeking Scale (SSS) and scores on the Adventure scale of the Strong Interest Inventory (SII) among female college students (n=55). Women scoring high on the SSS scales also scored high on the Adventure scale, thereby supporting the construct validity of the SII Adventure scale. (RJM)