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Ferraro, Giovanni; Fratini, Emiliano – Journal of Chemical Education, 2019
A procedure for one-pot preparation and characterization of silver 1D nanostructures is described. The main advantages of this synthetic approach are the simplicity and reproducibility, where the size of the final product can be controlled just by changing the reaction time. This experiment is designed as a laboratory introduction to colloidal…
Descriptors: Color, Science Instruction, Teaching Methods, Undergraduate Students
Watson, Jane – Australian Mathematics Teacher, 2008
This author was surprised to read a short article in "The Mercury" newspaper in Hobart about blue-eyed people being more intelligent and brown-eyed people having faster reaction times. Such an article invites immediate scepticism from the statistically literate. The lack of data in the article should lead the interested reader to a…
Descriptors: Reaction Time, Human Body, Internet, Middle Schools
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Nosofsky, Robert M.; Stanton, Roger D. – Journal of Experimental Psychology: Human Perception and Performance, 2006
Observers made speeded old-new recognition judgments of color stimuli embedded in a multidimensional similarity space. The paradigm used multiple lists but with the underlying similarity structures repeated across lists, to allow for quantitative modeling of the data at the individual-participant and individual-item levels. Correct rejection…
Descriptors: Recognition (Psychology), Multidimensional Scaling, Visual Stimuli, Color