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Pappus and Guldinus's theorems are powerful mathematical principles that are used for finding the surface area and volume of composite shapes. For example, consider a cylindrical storage tank with a conical top. Finding the surface area or volume can be challenging for such complex shapes. These theorems are particularly useful in calculating the volume and surface area of such systems. Here, the cylindrical storage tank with a conical top can be broken down into two simple shapes: a...
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A toggle clamp is a mechanical device commonly used for holding and clamping objects in various applications, such as woodworking, metalworking, and assembly operations. Consider a toggle clamp subjected to a force of 200 N at the handle. The vertical clamping force can be calculated, provided the dimensions of the toggle clamp are known.
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The second moment of an area, also known as the moment of inertia of an area, is a geometric property of a shape that reflects its resistance to change. The moment of inertia of an area can be calculated for both two-dimensional and three-dimensional shapes. The moment of inertia of an area is calculated by taking the sum of the product of the area and the square of its distance from a chosen axis of rotation. For two-dimensional shapes, the moment of inertia can be expressed as a single...
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Effects of the Problem-Oriented Learning Model on Middle School Students' Computational Thinking Skills in a Python

Hongquan Bai1, Xin Wang1, Li Zhao1

  • 1School of Education Science, Nanjing Normal University, Nanjing, China.

Frontiers in Psychology
|December 24, 2021
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Summary
This summary is machine-generated.

The problem-oriented learning (POL) model significantly improved eighth-graders' computational thinking (CT) concepts and perspectives compared to traditional lecture methods. This approach enhances CT skills crucial for the digital age.

Keywords:
Pythoncomputational thinkingmiddle school studentsproblem-oriented learning modelprogramming teaching

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Area of Science:

  • Educational Technology
  • Computer Science Education

Background:

  • The digital age necessitates computational thinking (CT) skills for individuals.
  • Programming education is recognized as beneficial for CT development.
  • Different learning models impact CT cultivation differently.

Purpose of the Study:

  • To propose and evaluate a problem-oriented learning (POL) model for enhancing CT.
  • To compare the effectiveness of the POL model against a lecture-and-practice (LAP) model in teaching CT.
  • To investigate the impact of these models on students' CT concepts, practices, and perspectives.

Main Methods:

  • A study involving 60 eighth-grade students in China.
  • An experimental group (EG) utilized the POL model.
  • A control group (CG) used the LAP learning model.

Main Results:

  • Students in the POL group demonstrated superior performance in CT concepts and perspectives compared to the LAP group.
  • Significant differences were observed in CT concepts and CT perspectives.
  • No significant difference was found in CT practices between the two groups.

Conclusions:

  • The POL model is effective in fostering CT skills, particularly CT concepts and perspectives.
  • Findings suggest implications for educators seeking to integrate innovative learning models for CT development.
  • The study offers a practical case for CT training and Python programming instruction.