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Gaea Leinhardt
University of Pittsburgh
124Publications
36H-index
6,116Citations
Publications 124
Newest
Two suggestions for instruction in chemical equilibrium are presented, along with the evidence that supports these suggestions. The first is to use diagrams to connect chemical reactions to the effects of reactions on concentrations. The second is the use of the majority and minority species (M&M) strategy to analyze chemical equilibrium systems. Two studies are presented in support of these suggestions.
#1Gaea Leinhardt (University of Pittsburgh)H-Index: 36
In this study, 178 groups of visitors were inter - viewed and recorded during their visits to mu - seums. Three clusters of elements were shown to influence learning: the identity of the visitors, their response to the learning environment, and their explanatory engagement during the visit. A structural equation model using these variables fit well. Further examination revealed that not all conversational behavior was supportive of lear ning; some actions, such as making frequent per - sonal con...
#1Gaea Leinhardt (University of Pittsburgh)H-Index: 36
En este estudio participaron 178 grupos de visitantes a museos. Tres tipos de elementos mostraron una fuerte influencia en el aprendizaje: la identidad del visitante, la respuesta al ambiente de aprendizaje y el involucramiento explicativo durante la visita. Un modelo de ecuaciones estructurales que incluia estas variables tuvo un buen nivel de ajuste. Una revision mas profunda revelo que no toda la conducta conversacional respaldo el aprendizaje; algunas acciones, como hablar sobre historias pe...
#1David YaronH-Index: 20
#2James G. GreenoH-Index: 45
Last.Gaea LeinhardtH-Index: 36
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Two suggestions for instruction in chemical equilibrium are presented along with the evidence that supports these suggestions. The first suggestion relates to the indirect 10 connection between chemical reactions, written as rules for how reactant species are converted to product species, and the effects of reactions on concentrations, which result from application of this rule to collections of chemical species. This connection is obvious for experts and so instructors may not recognize the nee...
#1Gaea Leinhardt (University of Pittsburgh)H-Index: 36
#1Gaea Leinhardt (University of Pittsburgh)H-Index: 36
This article asserts that the publishing process will be better understood as a conversational task that connects empirical precedents and theoretical debates in a given domain to produce new claims. It proposes that the lack of a conversational focus on the current academic environment and an excessive emphasis on impact indexes have created a citational inflation, in which authors and journals try to artificially increase the impact indexes without contributing to disciplinary progress. Based ...
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