Is the new comer always better?

Is more always better

Is more always better? We address this question in the context of bibliometric indices that aim to assess the scientific impact of individual researchers by counting their number of highly cited publications. We propose a simple model in which the number of citations of a publication depends not only on the scientific impact of the publication but also on other ‘random’ factors. Our model indic...

Exercise: Is More Always Better?

Do greater levels of exercise always promote relatively higher levels of daily energy expenditure and health? Recent studies challenge the traditional assumption that 'more exercise is better' by suggesting daily energy expenditure and health plateaus are reached beyond which incremental gains are minimal.

New is always better: Novelty modulates oculomotor learning.

Saccadic adaptation aims at keeping saccades accurate to enable precise foveation of objects. It has been believed to be a rather low-level adjustment, responding chiefly to direction and magnitude of postsaccadic position error. However, recent studies have shown that image content can modify saccadic adaptation. Adaptation is more complete for saccades toward socially relevant human figures i...

The Skill Paradox : Is Smarter Always Better ?

In the matter of investment forecasting skill it is often supposed that more is automatically preferable to less. In other words, the marginal utility of improving one’s forecasting accuracy is monotonically positive. However it is also commonly believed that large scale speculative capital flows (presumably driven by skilled investors) are a major contributor to financial market volatility. Th...

Medical care--is more always better?