Defines meta-analysis as statistical procedures for combining results from previous separate studies. Discusses four charges promoted by some skeptics as it relates to this statistical procedure. States that many of the trends making a place for meta-analysis are disturbing. (RT)

Discusses competing grant applications both new and renewal, including those for traditional grants (research projects initiated and conducted by individual investigators) and those for program project grants which support multidisciplinary efforts of a relatively large group of investigators. (Author/DS)

Examines issues associated with the design of and statistical inferences from embedded experiments which vary the questionnaire content into sample surveys of broad populations. Provides an example of context effects in attitude surveys, a summary, and conclusions. (RT)

Described is an ongoing study of monozygotic and dizygotic twins, separated in infancy and reared apart. Discussed are the procedures and results of this study with interpretations of the results. The effects of parenting, education, and other interventions are considered. (CW)

Critically examines a study reporting that children who had attended infant and preschool programs had significantly higher rates of meeting school requirements than did controls, and that IQ measures taken on the same subjects showed large initial gains which vanished five years after preschool completion. Includes rebuttal by original…

Discussed is wavelet theory, which provides ways to rearrange data to reveal features of a physical or mathematical system which might otherwise be hidden. This theory is compared to fourier analysis and the advantages of wavelet theory are stressed. Applications of this technique are suggested. (CW)

Described is the role of technology in the Human Genome Project. A poster of the human genome as is known in 1990 is provided with a list of representative genes and a glossary of terms. (CW)

Argues that test score rankings provide little information about educational quality because countries differ substantially in factors such as student selectivity, curriculum emphasis, and the proportion of low-income students in the test-taking population. (DDR)