Investigates how widespread alternative conceptions of the ionic bond, described as the molecular framework, are. Findings indicate that statements derived from the molecular framework were judged as true by a large proportion of the learners surveyed. Presents the molecular framework as a useful model of learners' alternative conceptions about…

Investigates student (N=16) misconceptions concerning electrochemistry related to galvanic, electrolytic, and concentration cells. Findings indicate that most students demonstrating misconceptions were still able to calculate cell potentials correctly. Discusses common misconceptions and possible sources of these. Contains 33 references.…

Of sample of 180 women, 60 received information from ads, 60 from product labels, and 60 from labels with nutrition information. Beliefs about products did not differ whether health claims appeared in ads or on labels. Nutrition information influenced beliefs. Health claims challenged by the Federal Trade Commission or consumer groups were less…

Studies the understanding that 8-12 grade high school students were able to develop with regard to the interrelationships between resistance, potential difference, and current concepts (Ohm's law). Explores the immediate effects of exposure to electricity courses on the intuitive mastery of these relationships. (Contains 32 references.)…

Presents a study on misconceptions in optics with the objective of checking their persistence over time in spite of the continued academic instruction of students. Involves (n=4000) students of all levels of the Spanish educational system as well as with those at a Spanish university with degrees in medicine, chemical sciences, technical…

Presents some questions that science teachers find difficult. Focuses on three further questions relating to "simple" everyday situations that are normally explained in terms of the kinetic theory of matter. Identifies looking at the difference between chemical and physical changes as the most problematic question. (Author/YDS)

Identifies nine myths prospective members frequently hold regarding group counseling. Discusses four leader strategies for challenging these myths: using a pregroup interview; providing factual information; group conceptual-low intensity responses; and group structural-low intensity responses. Concludes that leader may use these strategies singly…

Explores (n=113) computer science majors' understanding of Lagrange's Theorem (the order of a subgroup divides the order of a finite group), its converse, and its applications. (SW)

Argues that the common rounding rule is wrong in itself and potentially dangerous to data. The rule may be phrased as follows: "When several quantities are multiplied, the number of significant figures in the final answer is the same as the number of significant figures in the least precise of the quantities being multiplied. The same rule…

Defines "paradigm" as a profound change in the thoughts, perceptions, and values forming a particular vision of reality. Identifies six paradigm shifts in teacher supervision: from control to empowerment, from separate to integrated functions, from sameness to diversity, from occasional assistance to continuous support networks, from…

Suggests that Americans often overlook the importance of historic preservation because of prevailing ideas of progress that devalue the past and a nouveau riche mentality embarrassed by the past. Points out the irreplaceable value of local landmarks that tie a community to its past. Describes instances where ordinary people pooled their resources…

Misconceptions include the following: (1) literacy changes the way people think; (2) illiteracy will soon be eradicated; (3) U.S. literacy is far worse than elsewhere; (4) U.S. government has made major investments in literacy; (5) increased public awareness has led to significant improvements; and (6) better applications of technology will solve…

Discusses misconceptions about teen volunteers in public libraries: teens who hang out make good volunteers; teens who apply want to work; parents aren't important; incorporating volunteers is easy; enthusiasm means commitment; volunteers will tell you if they don't enjoy the job; non-performers are easy to fire; teens volunteer because they need…

Identifies four myths that prevent adolescents from fostering resilience. Warns educators and service providers to avoid these myths. Emphasizes the importance of positive relationships with adults for at-risk youth. (MKA)

Examines the myths of swimming-pool maintenance as applied to commercial pool use. Myths concerning backwashing filters, their run time and operational costs, and the necessity of pool covers for indoor pools are examined. (GR)