Attributes learning difficulties in introductory chemistry to the thesis that many students have not reached the formal operations level of intellectual development. Cites instances to support this thesis, outlines an instructional procedure to overcome the difficulty, and presents a list of competencies that can be expected of these students. (GS)

Reports a study of 61 secondary school students in which a theoretical explanation of structure in communication was used to create science communications of different levels of structure and to determine the effects of these treatments on knowledge acquisition. (GS)

The author takes exception to Piaget and Inhelder's conclusion that a child's first conceptualization of space is topological. (JP)

Submitted in partial fulfillment of the PhD degree at the University of Connecticut and supported by Grant M-1099 from the National Institute of Mental Health.

Study supported by National Science Foundation Grant No. GB-1742, "Ability Components of Skill Learning.

This volume was geared to answering the question, does the teaching of mathematics correspond to the needs of the majority of pupils and the society. There are three types of chapters: (1) descriptions of goals reflecting some need of society; (2) case studies of national goal setting; and (3) a summary of the May 1980 meeting of the United…

The main experience of an ideal reader while reading a text is an "envisionment" of that text, a representation in the reader's mind of the content of the text. According to this view the envisionment grows and sometimes changes as the reader progresses through the text, and the ideal reader not only updates and supplements the…

The cognitive processes involved in the human ability to understand and use positional notation (i.e., place-value) were investigated in a series of psychological experiments. Although the tasks used in all studies were very simple, usually only requiring the tested individual to identify the larger of two numbers as quickly as possible, a number…

The second of eight related documents, this booklet is part of a series of papers presented at the 1978 National Right to Read Conference examining issues and problems in literacy. In its examination of the place of reading in the preschool curriculum, the booklet first explores different definitions of reading and develops a concept of the…

The study investigates the relationship of theoretically relevant variables to student attitudes toward mathematics. Data on student, teacher, and learning environment variables hypothesized to be related to attitude toward mathematics were collected from 2,000 students and their math teachers at grades four, seven and nine. Over 130 variables…