Lead intoxication is a classical environmental hazard that can cause encephalopathy. During recent years several studies have suggested poor performances in psychological tests and increased numbers of subjective symptoms among workers with comparatively low blood lead concentrations. Forty-nine long-term lead-exposed male workers with time-weighted average blood lead concentrations between 1.3...

This paper challenges the historiographical discontinuity established between earlier "anthropometric testing" and the arrival of "psychological testing" with Binet and Simon's intelligence test in 1905. After some conceptual clarifications, it deals with "word association": a kind of psychological experimentation and testing which became popular over the last two decades of the 19th century. F...

The monograph is not so much a test book as an illustration of the application of a particular battery of tests in use at the Menninger Foundation, and their interpretation in the light of the psychological rational advanced in the earlier work. The author presupposes that the reader is acquainted with these concepts and findings, but claims that those generally familiar with the tests composin...

In order to increase the usefulness of the Witmer Diagnostic Standards begun in 1923,1 the Psychological Clinic has been interested recently in determining further standards of test performance at different levels, and in obtaining additional norms for first grade children. We shall present here the results of the first grade study and certain interpretations of the data which seem to be sugges...

is “a critical examination, observation, or evaluation.” Its closest synonym is trial. The word critical, in turn, is defined as “relating to . . . a turning point or specially important juncture” (Merriam-Webster’s Collegiate Dictionary, 1995). No wonder, then, that when the term psychological appears in front of the word test, the resulting phrase acquires a somewhat threatening connotation. ...

objective: inconsistent results have been reported regarding the symptom dimensions relevant to psychosis in symptoms check list revised (scl90-r), i.e., “psychoticism” and “paranoid ideation”. therefore, some studies have suggested different factor structures for questions of these two dimensions, and proposed two newly defined dimensions of “schizotypal signs” and “schizophrenia nuclear sympt...