The methodology of many studies that have identified specific genetic loci for disorders associated with mental retardation is criticized as failing to demonstrate an association between the behavior phenotype and the genetic marker. A more appropriate methodology using a multitrait-multimethod approach is suggested. (Author/JDD)

Three self-report methods for rating secondary sexual characteristic growth were compared to physician ratings; the accuracy of self-reported height and weight was also assessed. The usefulness of the Pubertal Development Scale, Tanner ratings, and self-reported height and weight as adequate estimates of pubertal development is discussed. (PCB)

The high incidence of reported posttraumatic stress disorder (PTSD) among Vietnam veterans has prompted researchers to search for reliable assessment and treatment procedures for this disorder. Although some encouraging preliminary data on the use of the Minnesota Multiphasic Personality Inventory (MMPI) have been obtained, it is uncertain if this…

Examined the accuracy and validity of self-reports and their effect on tests of attitude-behavior relationships. Self-reports were reasonably accurate, but they produced results different from actual behavior in attitude-behavior tests. Concludes that self-reports and actual behavior should be measured, tested, and modeled separately. (Author/LS)

Describes a study done by Herbert White that resulted in rankings of library and information science programs based on perceptual assessments by faculty and library directors. Problems with this methodology are discussed, and further findings based on extensive interviews with subjects of the White study are reported. (CLB)

Research on assessing the cultural fairness of individual test items is reviewed, with emphasis on Birnbaum's three-parameter logistic model. As defined in this review, differential item characteristics are exhibited when examinees from one group have a lower probability of answering correctly than do examinees of equal ability from another group.…

This paper summarizes and analyzes data from studies of differential validity and differential prediction for blacks versus whites and females versus males. Forty studies on racial differences and 53 on gender differences were selected from searches of the ERIC, PsychInfo, and Dissertation Abstracts International databases; Buros' Mental…

Maintains that even a cursory reading of "The Bell Curve" reveals a skewed methodology that deliberately ignores relevant data. Includes statistical tables illustrating the relationship between environmental factors and test scores. Contends that the basic purpose of "The Bell Curve" is to justify economic racism. (MJP)

Argues that Charles Murray's thesis of African American intellectual inferiority exists for a specific political purpose. That purpose is the implicit devaluation of government social programs, especially affirmative action. Discusses the socioeconomic and political factors that resulted in a conservative political climate. (MJP)