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Space Trusses: Problem Solving01:29

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A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. Due to its adaptability and capacity to withstand complex loads, the space truss is widely used in various construction projects.
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The frequency-domain technique, commonly used in analyzing and designing feedback control systems, is effective for linear, time-invariant systems. However, it falls short when dealing with nonlinear, time-varying, and multiple-input multiple-output systems. The time-domain or state-space approach addresses these limitations by utilizing state variables to construct simultaneous, first-order differential equations, known as state equations, for an nth-order system.
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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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State-space representation is a powerful tool for simulating physical systems on digital computers, necessitating the conversion of the transfer function into state-space form. Consider an nth-order linear differential equation with constant coefficients, like those encountered in an RLC circuit. The state variables are selected as the output and its n−1 derivatives. Differentiating these variables and substituting them back into the original equation produces the state equations.
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The conversion of state-space representation to a transfer function is a fundamental process in system analysis. It provides a method for transitioning from a time-domain description to a frequency-domain representation, which is crucial for simplifying the analysis and design of control systems.
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Problem-solving for STEM learning: navigating games as narrativized problem spaces for 21st century competencies.

Azilawati Jamaludin1, David Hung1

  • 1National Institute of Education, Nanyang Technological University, 1 Nanyang Walk, Singapore, 637616 Singapore.

Research and Practice in Technology Enhanced Learning
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Summary

This study explores how World of Warcraft (WoW) facilitates complex problem-solving skills in Singaporean youth. Findings suggest problem-solving is a dynamic process involving domain, disquisition, and discourse within social and structural contexts.

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Area of Science:

  • Educational Technology
  • Learning Sciences
  • Game-Based Learning

Background:

  • The 21st century workplace demands specific competencies, often misaligned with traditional classroom learning.
  • Complex problem-solving is a critical skill identified across numerous studies, especially in Science, Technology, Engineering, and Mathematics (STEM).
  • Massively Multiplayer Online Role-Playing Games (MMORPGs) present unique environments for skill acquisition.

Purpose of the Study:

  • To investigate how World of Warcraft (WoW) supports problem-solving skill development in Singaporean youth.
  • To examine the interplay of learning and identity formation within digital game environments.
  • To propose a new model for understanding situated and embodied problem-solving.

Main Methods:

  • Ethnographic investigation of a single youth gamer within the World of Warcraft (WoW) affinity space.
  • Analysis focused on learning and identity becoming within the game's context.
  • Exploration of problem-solving through a triadic-D model (domain, disquisitional, discursive).

Main Results:

  • Problem-solving in WoW is characterized by a triadic-D model: domain, disquisitional, and discursive practices.
  • These practices operate within self, social, and structural dialectics.
  • Identity becoming is intrinsically linked to the problem-solving trajectory within the game.

Conclusions:

  • Problem-solving in digital game spaces like WoW is a situated and embodied process.
  • This research broadens the understanding of problem-solving and identity formation in STEM learning.
  • MMORPGs offer valuable contexts for developing 21st-century competencies.