Literature citations were analyzed to identify periodical literature used in the field of limnology. Journals published in four different countries during 1976 were selected as source journals of cited literature. The results of this analysis were compared to those of a similar study conducted in 1968 using conference proceedings as source…

This paper presents a generally applicable method for characterizing subjects' hypothesis-testing behaviour based on a synthesis that extends on previous work. Beginning with a transcript of subjects' speech and videotape of their actions, a Reasoning Map is created that depicts the flow of their hypotheses, tests, predictions, results, and…

Presented is an accounting of known numbers of major categories of life, from viruses to mammals. The construction of the census is described. Included are living and nonliving species and genera. (CW)

Since 1959, ACT has collected and reported data on students' academic readiness for college. Because becoming ready for college is a process that occurs throughout elementary and secondary education, measuring academic performance over time in the context of college readiness provides meaningful and compelling information about the college…

Learning style is a composite of those elements that serve as a relatively stable indicator of how a learner perceives, interacts with, and responds to the learning environment. This paper presents quantitative data related to learning styles and qualitative data related to learning environments which could suggest changes in biology courses and…