The importance of spatial ability for success in a variety of domains, particularly in science, technology, engineering, and mathematics (STEM), is widely acknowledged. Yet, students with high spatial ability are rarely identified, as Talent Searches for academically talented students focus on identifying high mathematical and verbal abilities.…

Holland's theory of six work personalities has become a staple of vocational psychology, providing a robust and simple model for understanding the structure of vocational interests. Though Holland's types provide a common vocabulary for vocational psychologists working with a variety of populations, until this point there has not been a measure of…

Selection of items for analogy tests according to the Rasch item probability of "goodness of fit" to the model is compared with three commonly used item selection criteria: item discrimination, item difficulty, and item-ability correlation. Word, picture, symbol and number analogies in multiple choice format were administered to several…