Special Issue on Intelligent CAI and Hypermedia
===============================================
 . FOREWORD .......................................................... 1
        Norio SHIRATORI

PAPERS
======
 . The Role of Student Mdels in Learning Environments ................ 3
        John SELF

 . The Current Situations and Future Directions of Intelligent CAI
   Research/Development .............................................. 9
        Toshio OKAMOTO

 . An Indexing Framework for Adaptive Arrangement of Mechanics Problems
   for ITS .......................................................... 19
        Tsukasa HIRASHIMA, Toshitada NIITSU, Kentaro HIROSE, Akihiro
        KASHIHARA and Jun'ichi TOYODA

 . Load-Oriented Tutoring to Enhance Student's Explanation
   Understanding --An Explanation Planner and a Self-explanation
   Environment-- .................................................... 27
        Akihiro KASHIHARA, Koichi MATSUMURA, Tsukasa HIRASHIMA and
        Jun'ichi TOYODA

 . An Inductive Student Modeling Method which Deals with Student
   Contradictions ................................................... 39
        Yasuyuki KONO, Mitsuru IKEDA and Riichiro MIZOGUCHI

 . Student Modelling for Procedural Problem Solving ................. 49
        Noboru MATSUDA and Toshio OKAMOTO

 . A Workbench System for Novice Prolog Programmers:
   Visually-Structured Interactive Tracer and Prototype-Based
   Programming Support .............................................. 57
        Kohji ITOH, Makoto ITAMI, Kazuo FUKAWA, Jun MURAMATSU and
        Yoshitaka ENOMOTO

 . Integrated Intelligent Programming Environment for Learning
   Programming ...................................................... 68
        Haruki UENO

 . Kanji Laboratory: An Environmental ICAI System for Kanji Learning  80
        Toshihiro HAYASHI and Yoneo YANO

 . Hypermedia English Learning Environment Based on Language
   Understanding and Error Origin Identification .................... 89
        Hidenobu KUNICHIKA, Akira TAKEUCHI and Setsuko OTSUKI

 . Design of an ITS for Strategic Knowledge in Proving Logical Formulas
            ......................................................... 98
        Koichiro MORIHIRO, Mitsuru IKEDA and Riichiro MIZOGUCHI

 . Development of a Simulation-Based Intelligent Tutoring System for
   Assisting PID Control Learning .................................. 108
        Takeki NOGAMI, Yoshihide YOKOI, Ichiro YANAGISAWA and Shizuka
        MITUI

 . Development of an Environmental ICAI System for English Conversation
   Learning ........................................................ 118
        Ryo OKAMOTO and Yoneo YANO

 . An Interactive Learning Environment for an Intelligent Tutoring
   System .......................................................... 129
        Akira TAKEUCHI and Setsuko OTSUKI

 . Interactive Learning Environment for Dynamics: IPE .............. 138
        Masayuki UENO, Kenichi FUJII and Katsuhide TSUSHIMA

 . ABSTRACTS (Trans. IEICE, Vol.J77-D-I, J77-D-II, No.1 in Japanese)
            ........................................................ 147
 . IEICE TECHNICAL REPORTS/CONTENTS ................................ 157