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.

The factor structure of Holland's hexagonal model as shown in the Self-Directed Search (SDS) has received extensive attention across the world. The goal in creating the SDS was to equip guidance counselors and services with information about adults' personality types, interests, preferences, and career options. More precisely, the SDS items assess…

A confirmatory factor analysis provided support for the result that Holland's Self-Directed Search measures six factors: realistic, investigative, artistic, social-enterprising, conventional, and a sixth general interest factor. Generally, the psychological relationship among types confirms the hexagon model proposed by Holland and others.…

A sample of 358 men and 360 women took the Self-Directed Search (SDS), a vocational guidance tool developed by Holland based on his theory of vocational choice. Holland had found that in the occupational domain the factor loadings on the Realistic, Investigative, Artistic, Social, Enterprising, and Conventional scales fit a hexagonal paradigm…

The purposes of this study were to: (1) examine the psychometric properties of the Ball Aptitude Battery (BAB) on a high school freshman sample; (2) develop BAB norms for high school freshmen; (3) develop and evaluate four memory tests and a vocabulary test appropriate for freshmen; (4) examine level and structure differences for the BAB tests…