A description of a week's work in mathematics carried out by a first year group of grammar school boys, answering the question which is the title of this article. (MM)

The relation between maternal presence and infant's vocalization depended upon the infant's state: when the infant was in the active awake state, he vocalized less in the presence of the mother than when alone, thus indicating that the majority of early vocalizations are associated with a non-social situation. (Authors/RY)

Results indicated that availability of categories rather than frequency of words seemed most crucial in determining developmental changes in clustering efficiency. (Authors)

An experiment was conducted comparing the effectiveness for producing response inhibition of high- and low-intensity physical punishment and elaborated verbal punishment when punishment was delivered either early or late in a response sequence. (Author)

Concludes that the skin color of Negroes is only a strong predictor of anti-white system" feelings among working-class and lower-class persons, those with no social contacts with whites, and those who feel powerless to exert control through institutional channels. (DM)

Subjects were 20,367 high school senior males who participated in the 1960 data collection phase of Project TALENT and who responded to a 1961 followup questionnaire. Biodata obtained from a 394 item inventory were categorized in 14 areas revealing that the categories do not differentiate attenders from nonattenders according to ability levels.…

Discusses chemometrics (analysis of data from chemical measurements), tracing developments in this area and summarizing reasons for teaching chemometrics. Includes highlights of presentations given at a symposium (Interpreting Complex Chemical Data: Teaching Chemometrics) and brief descriptions of chemometric methods. (JN)

Explores problems involved in the quantitative verification of independent variables in investigations of the effects on student outcomes of planned variations in instructional behavior. Specifically addresses (1) gathering of data through direct systematic observation, and (2) analysis of those data through the use of inferential statistics. (GC)

Graphical representations of nominations and citations of colleagues in seven scientific fields--information science, human systems management, future studies, general systems, topology and differential geometry, and polymer chemistry--are presented. Conomination analysis and cocitation analysis are compared as techniques to study structure of…