Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Statically Indeterminate Problem Solving01:16

Statically Indeterminate Problem Solving

481
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
481
Method of Joints: Problem Solving II01:30

Method of Joints: Problem Solving II

661
Consider a truss structure with frictionless joints fixed to a wall and roller support. If a force of 150 N is applied to joint A, the forces in each member of the truss can be determined using the method of joints.
661
Associative Learning01:27

Associative Learning

546
Associative learning is a fundamental concept in behavioral psychology, wherein a connection is established between two stimuli or events, leading to a learned response. This process is critical in understanding how behaviors are acquired and modified. Conditioning, the mechanism through which associations are formed, can be divided into two main types: classical conditioning and operant conditioning, each elucidating different aspects of associative learning.
Classical conditioning, also known...
546
Normal and Tangetial Components: Problem Solving01:24

Normal and Tangetial Components: Problem Solving

221
Consider a man with a mass of 70 kg seated in a chair connected to a pin support through a member BC. If the man maintains an upright position, the task is to determine the horizontal and vertical reactions of the chair on the man when the member makes a 45° angle with the horizontal. At this moment, the man has a speed of 5 m/s, increasing at a rate of 1 m/s².
221
Constraints and Statical Determinacy01:26

Constraints and Statical Determinacy

680
In structural engineering, the equilibrium of a system is not only determined by its equations of equilibrium but also with the help of constraints. Constraints refer to restrictions on the motion of a system. The proper combinations of constraints can minimize the total number of constraints needed to maintain a system in mechanical equilibrium. When this happens, the system is said to be statically determinate. For such systems, the unknown reaction supports can be estimated using equilibrium...
680
Method of Joints: Problem Solving I01:30

Method of Joints: Problem Solving I

1.2K
The method of joints is a commonly used technique to analyze the forces in structural trusses. The method is based on the principle of equilibrium, which assumes that the truss members are connected by frictionless pins. The forces at each joint can be determined by considering the equilibrium of the forces acting on that joint. Consider a truss structure with two forces of 20 N and 10 N acting at joints C and D, respectively. The method of joints can be used to determine the forces FCB, FDC,...
1.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Built environment disparities are amplified during extreme weather recovery.

Nature·2025
Same author

In Situ Growth of 3D N-IrNiCoO Nanocomposite with Ultralow Ir Loading as Efficient Bifunctional Electrocatalyst for Overall Water Splitting.

ACS applied materials & interfaces·2025
See all related articles

Related Experiment Video

Updated: Sep 2, 2025

A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills
07:31

A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills

Published on: February 13, 2020

7.0K

NTM-Based Skill-Aware Knowledge Tracing for Conjunctive Skills.

Qiang Huang1, Wei Su1, Yuantao Sun2

  • 1School of Information Science and Engineering, Lanzhou University, Lanzhou 730000, China.

Computational Intelligence and Neuroscience
|August 8, 2022
PubMed
Summary
This summary is machine-generated.

This study introduces skill-aware knowledge tracing (NSKT) for intelligent tutoring systems. NSKT improves student knowledge modeling by capturing concept relevance, outperforming existing deep learning models.

More Related Videos

Evaluating Skilled Prehension in Mice Using an Auto-Trainer
05:01

Evaluating Skilled Prehension in Mice Using an Auto-Trainer

Published on: September 12, 2019

5.8K
The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
05:15

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

Published on: February 19, 2018

10.9K

Related Experiment Videos

Last Updated: Sep 2, 2025

A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills
07:31

A Computerized Functional Skills Assessment and Training Program Targeting Technology Based Everyday Functional Skills

Published on: February 13, 2020

7.0K
Evaluating Skilled Prehension in Mice Using an Auto-Trainer
05:01

Evaluating Skilled Prehension in Mice Using an Auto-Trainer

Published on: September 12, 2019

5.8K
The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition
05:15

The Spatial Memory Game: Testing the Relationship Between Spatial Language, Object Knowledge, and Spatial Cognition

Published on: February 19, 2018

10.9K

Area of Science:

  • Artificial Intelligence
  • Educational Technology
  • Machine Learning

Background:

  • Knowledge tracing (KT) models student knowledge from interactions in intelligent tutoring systems.
  • Current KT models often overlook concept relevance and system characteristics.
  • Conjunctive skills, where multiple concepts are needed, pose a challenge for existing models.

Purpose of the Study:

  • To propose a novel skill-aware knowledge tracing (NSKT) model for conjunctive skills.
  • To enhance the accuracy of student knowledge state modeling.
  • To effectively discover latent relevance among knowledge concepts.

Main Methods:

  • Utilizing a neural Turing machine architecture.
  • Incorporating skill-awareness to capture concept interdependencies.
  • Analyzing characteristics of three real-world KT datasets.

Main Results:

  • NSKT demonstrates superior performance compared to state-of-the-art deep KT models.
  • Achieved higher Area Under the Curve (AUC) in prediction tasks.
  • Effectively models student knowledge state and concept relevance.

Conclusions:

  • NSKT provides a more accurate approach to knowledge tracing, especially for conjunctive skills.
  • The model effectively captures complex relationships between knowledge concepts.
  • Offers insights into prediction processes and conditional influences in educational exercises.