465 research outputs found
Implications and Ramifications of a Sample-Size Approach to Intuition
[...from the chapter] In the present article, we delineate a different approach, which is by no means inconsistent, but largely overlaps with the aforementioned definitions. However, our approach is simpler and refrains from a number of rather strong assumptions to which other conceptions subscribe. Using a simple and straightforward criterion, we define intuition in terms of the size of the sample used in reaching a decision: Judgments and decisions are intuitive to the extent that they rest on small samples.
Sub-monolayer nucleation and growth of complex oxide heterostructures at high supersaturation and rapid flux modulation
We report on the non-trivial nanoscale kinetics of the deposition of novel
complex oxide heterostructures composed of a unit-cell thick correlated metal
LaNiO3 and dielectric LaAlO3. The multilayers demonstrate exceptionally good
crystallinity and surface morphology maintained over the large number of
layers, as confirmed by AFM, RHEED, and synchrotron X-ray diffraction. To
elucidate the physics behind the growth, the temperature of the substrate and
the deposition rate were varied over a wide range and the results were treated
in the framework of a two-layer model. These results are of fundamental
importance for synthesis of new phases of complex oxide heterostructures.Comment: 13 pages, 6 figure
Implications and ramifications of a sample-size approach to intuition
[...from the chapter] In the present article, we delineate a different approach, which is by no means inconsistent, but largely overlaps with the aforementioned definitions. However, our approach is simpler and refrains from a number of rather strong assumptions to which other conceptions subscribe. Using a simple and straightforward criterion, we define intuition in terms of the size of the sample used in reaching a decision: Judgments and decisions are intuitive to the extent that they rest on small samples
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Transitions Between Modes of Inquiry in a Rule Discovery Task
Studies of rule discovery behavior employ one of two research paradigms: In the reception paradigm the item evaluated on each trial is provided by the researcher; in the selection/generation paradigm the item to be evaluated is selected or generated by the subject. The prevalence of both paradigms and their correspondence to well established modes of scientific inquiry led us to the hypothesis that if given the choice, subjects would employ both modes of inquiry. To test this hypothesis 27 adults and 27 8th graders solved three rule discovery problems in a computer environment which allowed free transitions between item reception and generation. Almost all the adults and roughly half the children employed both modes of inquiry on at least one problem, with adults much likelier to generate items. The use of a method of inquiry came in blocks with generation tending to follow reception. An inverse relationship was found between item generation and the proportion of positive instances supplied by the environment. Within both age groups, consistent individual differences were found regarding inquiry style. These results shed new light on inquiry behavior and demonstrate the desirability of letting subjects freely choose between differing modes of inquiry
Learning (Not) To Yield: An Experimental Study of Evolving Ultimatum Game Behavior
Whether behavior converges toward rational play or fair play in repeated ultimatum games depends on which player yields first. If responders concede first by accepting low offers, proposers would not need to learn to offer more, and play would converge toward unequal sharing. By the same token, if proposers learn fast that low offers are doomed to be rejected and adjust their offers accordingly, pressure would be lifted from responders to learn to accept such offers. Play would converge toward equal sharing. Here we tested the hypothesis that it is regret-both material and strategic-which determines how players modify their behavior. We conducted a repeated ultimatum game experiment with random strangers, in which one treatment does and another does not provide population feedback in addition to informing players about their own outcome. Our results show that regret is a good predictor of the dynamics of play. Specifically, we will turn to the dynamics that unfold when players make repeated decisions in the ultimatum game with randomly changing opponents, and when they learn not only about their own outcome in the previous round but also find out how the population on average has adapted to previous results (path dependence).Ultimatum bargaining game, Reputation, Regret, Learning, Experiment
Predating predators: An experimental study
Predating predators requires at least three specimen to which we refer as players 1, 2, and 3. Player 1 has simply to guess nature when trying to find food. Player 2 is hunting player 1 in the hope that 1 is well-fed but must also avoid being hunted by player 3. One major motivation is to test three benchmark solutions (uniformly perfect, impulse balance and payoff balance equilibrium) in such a complex strategic setting. In the experiment three participants play repeatedly the game (partner design) which allows to test whether certain types of behavior are just initial inclinations or stable patterns which survive learning and experience
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