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Related Concept Videos

Power01:08

Power

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The concept of work involves force and displacement; meanwhile, the work-energy theorem relates the net work done on a body to the difference in its kinetic energy, calculated between two points on its trajectory. While none of these quantities or relations involves time explicitly, we know that the time available to accomplish work is often just as important as the amount of work itself. For example, sprinters in a race may have achieved the same velocity at the finish, therefore,...
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The development of self in children is deeply rooted in social interactions, mainly through stages of play and structured games. These stages, outlined by sociologist George Herbert Mead, illustrate how children progressively learn to understand and adopt social roles, forming a cohesive sense of self.The Play Stage: Imitation and Simple Role-TakingIn the early years of childhood, the play stage is characterized by imitative behavior, where children engage in role-playing based on familiar...
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In definite integration, Riemann sums approximate the area under a curve by dividing it into subintervals and summing the areas of rectangles. When these approximations follow predictable numerical patterns, such as arithmetic or polynomial sequences, sum formulas offer a more efficient and accurate way to compute the result. In particular, the sum of consecutive integers, squares, and cubes plays an essential role in simplifying these calculations, especially when dealing with uniform...
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Instantaneous Power01:22

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Instantaneous power is important in electrical circuits, mainly when dealing with sinusoidal input. Instantaneous power, denoted as p(t), results from the multiplication of the instantaneous voltage (v(t)) across an element and the instantaneous current (i(t)) flowing through it. This relationship adheres to the passive sign convention and represents a fundamental principle in electrical engineering.
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Power engineers have introduced the concept of complex power to determine the cumulative effect of parallel loads. This idea plays a crucial role in power analysis because it encompasses all the details related to the power consumed by a specific load.
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Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...
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Power in economic games.

Eric van Dijk1, Carsten Kw De Dreu2, Jörg Gross1

  • 1Leiden University, Netherlands.

Current Opinion in Psychology
|August 16, 2019
PubMed
Summary

Economic games reveal four power sources: dependence asymmetry, reducing dependence, rewards/punishments, and information control. These insights enhance understanding of strategic decision-making in social interactions.

Area of Science:

  • Behavioral Economics
  • Social Psychology
  • Neuroscience

Background:

  • Economic games are valuable tools for analyzing strategic decision-making in social contexts.
  • Understanding the dynamics of power is crucial for comprehending social interactions, cooperation, and conflict.

Purpose of the Study:

  • To identify and categorize key sources of power amenable to study using economic games.
  • To review existing research on these power dynamics and their behavioral and neurobiological underpinnings.
  • To illustrate the impact of power differentials on cooperation, exploitation, and conflict.

Main Methods:

  • Review of recent studies utilizing economic games to investigate power.
  • Analysis of four identified sources of power: asymmetric dependence, dependence reduction, reward/punishment capabilities, and information control.

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  • Examination of behavioral and neurobiological data related to power dynamics.

    • Main Results:

    • Four distinct sources of power were identified and characterized within the framework of economic games.
    • Economic games provide a robust methodology for studying the behavioral and neurobiological aspects of power.
    • Power differences significantly influence cooperative behaviors, instances of exploitation, and the emergence of conflict.

    Conclusions:

    • Economic games offer a powerful analytical framework for dissecting the multifaceted nature of power in social interactions.
    • Further research using economic games can deepen our understanding of the neural and behavioral mechanisms underlying power.
    • Addressing power imbalances is essential for fostering cooperation and mitigating conflict in both group and intergroup settings.