• Publications
  • Influence
SIETTE: A Web-Based Tool for Adaptive Testing
TLDR
The goal of this work is to develop a web-based tool to assist teachers and instructors in the assessment process. Expand
  • 205
  • 9
  • PDF
Improving Student Performance Using Self-Assessment Tests
TLDR
Testing is the most generic and perhaps most widely used mechanism for student assessment. Expand
  • 58
  • 6
Self-assessment in a feasible, adaptive web-based testing system
TLDR
We show how SIETTE can be used for instructional purposes, by combining adaptive student self-assessment test questions with feedback and hints. Expand
  • 101
  • 5
  • PDF
Introducing Prerequisite Relations in a Multi-layered Bayesian Student Model
TLDR
In this paper we present an extension of a previously developed generic student model based on Bayesian Networks. Expand
  • 48
  • 3
  • PDF
A blended E-learning experience in a course of object oriented programming fundamentals
TLDR
In this paper, we present a blended e-learning experience consisting of supplying an undergraduate student population (in addition to traditional on-site classes) with a learning tool called OOPS (Object Oriented Programming System) and a testing system called SIETTE. Expand
  • 49
  • 3
  • PDF
MEDEA: an Open Service-Based Learning Platform for Developing Intelligent Educational Systems for the Web
As a consequence of the increasing importance of distance education there is a growing interest in the application of intelligent techniques to existing web-based educational systems. ManyExpand
  • 35
  • 3
  • PDF
A Model for Student Knowledge Diagnosis Through Adaptive Testing
TLDR
This work presents a model for student knowledge diagnosis that can be used in ITSs for student model update. Expand
  • 59
  • 2
  • PDF
SIGUE: Making Web Courses Adaptive
Most of the information of the WWW is not adaptive, rather it is dispersed and disorganized. On the other hand, the creation of an adaptive course is a complex task. SIGUE is an author tool thatExpand
  • 49
  • 2
  • PDF
An Empirical Approach to On-Line Learning in SIETTE
TLDR
SIETTE is a web-based evaluation tool that implements CAT theory. With the help of a simulation program, different empirical experiments have been performed with SIETTE with two different goals: a) to study the influence of the parameters of characteristic item curves and selection criteria in test length and accuracy; and b)to study different learning strategies for these parameters. Expand
  • 27
  • 2
A Stable and Feasible Payoff Division for Coalition Formation in a Class of Task Oriented Domains
TLDR
We present an analysis -based upon game theory- for a class of task-oriented problems arising from some Internet transactions. Expand
  • 13
  • 2
  • PDF
...
1
2
3
4
5
...