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Bracketing is a mental procedure about how people deal with multiple tasks. If a decision maker handles all the tasks at the same time, it is called broad bracketing. If she handles the tasks separately, e.g., one or a few tasks each time, it is called narrow bracketing. This paper experimentally investigates the effect of broad versus narrow bracketing in the context of a mini-trust game. The ...

Virtual home theatre systems provide an efficient means of multichannel sound reproduction with two loudspeakers. Six commercial and academically developed systems have been collected and subjectively evaluated under controlled conditions against discrete 5-channel reproduction. Tests have been carried out in two test rooms. The experimental design and the detailed analysis of results are prese...

The present study aims to provide insight into the value of different teacher roles in designing and implementing technology-rich learning activities for early literacy. Three cases, each with a different teacher role (executoronly, re-designer, co-designer) were examined. In the executor-only role, teachers implemented ready-made activities. In the re-designer role teachers collaboratively re-...

This paper reports an experiment to determine whether subjects will learn to stop using a strictly dominated strategy that can be an above average reply. It is difficult to find an experimental design that eliminates the play of the strictly dominated strategy completely. The least effective treatment used money to motivate behavior directly. The most effective treatment uses a binary-lottery t...

During last decade a particular eeort has been put to the precise measurement of Re(" 0 ="). Challenging experiments are currently analysing data in order to deduce this fundamental parameter. In this article we will discuss in a comparative way two experimental techniques, these of KTeV at Fermilab and NA48 at CERN, with the aim to give an idea of the diiculty of the measurement and describe t...

Delay-Doppler mapping continues to be the most widely used imaging technique in radar astronomy. Various methods have been devised to partition echoes in delay-Doppler space for different degrees of echo dispersion (as quantified by the overspreading factor ). These include the standard interpulse/intercode methods for underspread ( ) or slightly overspread ( ) echoes, intrapulse methods for gr...

We use a quasi-experimental research design to study the effect of giving workers feedback on their relative performance. The setting is a firm in which workers are paid piece rates and where, for exogenous reasons, management begins to reveal to workers their relative position in the distribution of pay and productivity. We find that merely providing this information leads to a large and long-...