Modern factor analysis is the outgrowth of Spearman's original "2-factor" model of intelligence, according to which a mental test score is regarded as the sum of a general factor and a specific factor. As early as 1914, Godfrey Thomson realized that the data did not require this interpretation and he demonstrated this by proposing what became…

On the occasion of Psychometrika's fiftieth anniversary, the past twenty-five years' developments in mental test theory are reviewed. Psychometrika articles treating topics in test theory are listed in a bibliography. (Author/LMO)

Examines psychometric characteristics of the 100-item Trauma Symptom Inventory (TSI) in a sample of 370 psychiatric inpatients and psychotherapy outpatients. Post hoc multiple regression analyses indicated that client age, sex, inpatient versus outpatient status, childhood sexual and physical abuse, and adult sexual assault were unique predictors…

Examined stability of the Kaufman Assessment Battery for 53 at-risk preschool children. Over 9 months the stability coefficients for the global scales ranged from .78 to .88, and for the subtests from .65 to .79. Concluded that scores display adequate stability, but the Simultaneous scale is less stable than the Sequential or Achievement scales.…

Explored validity of new clinical test of verbal memory incorporating constructs from normal and pathological memory research, to quantify the ways examinees learn verbal material. Factor analyses of normal subjects and neurological patients indicated that verbal memory consisted of a number of component factors, reflecting learning strategy,…

Three developments over the past 15 years--our understanding of cognition, new techniques in technical psychometrics, and the computer explosion--form the basis for a proposal for new intelligence tests. These developments are reviewed, and both leaps and steps in intellectual assessment are proposed. (Author/RD)

There are economic advantages in using microcomputers as automated testing stations for measuring aptitude and intelligence. Microcomputers also make it possible to expand and modify testing procedures for psychological functions included in conventional tests and to test psychological functions not generally assessed by conventional tests, such…

Bad intelligence tests seem as inevitable as death and taxes. However, new theories of intelligence are resulting in some promising developments. Thirteen approaches to the measurement of intelligence are described, divided into the following categories: classical psychometric; developmental; culture-sensitive; cognitive; biological; and systems.…

This book is intended primarily for persons about to take the university psychometric entrance examination in Israel, particularly those who want more information than is provided in the standard explanation booklets. The book can also be used by candidates for employment in the public or private sector who are required to take psychological…

In Piaget's developmental psychology the fourth and highest stage of human cognitive development is that of formal operations. The research on formal thought instruments is outlined. This study was designed to construct and validate paper-and-pencil instruments which could be used to select students capable of abstract conceptualization,…