Argues that much of the conceptual-change literature does not study change per se, but infers, often from interviews, changes in students' conceptions and discourse during learning. Concludes that what is needed are descriptions of learning trajectories. Contains 17 references. (DDR)

In standard mathematical notation it is common to have a given symbol take on different meanings in different settings. Shares anecdotes of how this symbolic double entendre causes difficulties for students. Suggests ways in which instructors can clarify these ambiguities to make mathematics more understandable to students. (Author/ASK)

Examines the limits of what constitutes "school improvement." Critically assesses whether large-scale reorganization initiatives in two (British) local education agencies embody elements of a school-improvement initiative. Policy makers could maximize such initiatives' potential by incorporating a school-improvement focus into their…

Explores common alternative conceptions of a natural science topic familiar to students that was part of the regular curriculum. Finds that similar misconceptions are evident in upper and lower elementary school students. (Author/CCM)

Describes seven myths regarding the role of genes in determining behavior and the modifiability of behavior that permeate the thinking of many educators and psychologists. Examines each myth, dispels it, and states what are believed to be correct conclusions from different kinds of behavior-genetic and related data, considering the implications…

To determine whether trails on visitor maps should indicate distance only or include "time to complete," Cleveland Metroparks interviewed 287 adult visitors to a large regional zoo. The mean perceived "average time to walk a mile" was 17 minutes, but responses ranged from 1.5 to 60 minutes. Half of respondents underestimated…

Explains that no permanent energy change occurs in a macro object after it has been transported from one location to another or when a group of them is scattered randomly. (WRM)

The cost of school administration and its effect on available instructional resources has been a highly debated topic since then-Secretary of Education William Bennett popularized the "blob" designation 10 years ago. A recent Educational Research Service study challenges six misperceptions about school administration's cost, size, and…

During the 1970s, the curriculum field underwent a "reconceptualization," shifting from commitment to developing curriculum toward interest in understanding curriculum. This article presents an alternative rationale: disillusionment with traditional institutions/preoccupation with private interests, fascination with "interesting…

The "missionary ideology" underlying much of the service- learning movement results from decisions to "do good things" for others. However, this movement sometimes ignores recipients' voices and what they, particularly communities of color, might have to offer. Reciprocal learning and working with others are essential. (MLH)

Describes an activity with cars and fans that observes the motion of cars under force. Lists required materials, the procedure, and introductory questions for the activity. (YDS)

Investigates the knowledge and understanding among 482 students nearing the end of compulsory education of genetics. Finds a poor understanding of the processes by which genetic information in transferred and a lack of basic knowledge about the structures involved. (Author/CCM)

Describes an activity that centers around advertisements for alternative medical therapy devises based on magnets. (CCM)

Examines the possibility that language confusion can be mistaken for misconception. Uses a written test to diagnose physics misconceptions among South African students. Reports that in several cases distracters were chosen by subjects who did not hold the target misconceptions. Indicates that caution is needed in interpreting student responses to…

Considers teaching strategies to help children overcome misconceptions and difficulties with the mathematical concept of angles. (ASK)