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Prezentace aplikace PowerPoint

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create electronic presentations with images and video clips inserted directly in ... Infovek http://www.infovek.sk/konferencia/2000/prispevky/filozofia.html ... – PowerPoint PPT presentation

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Title: Prezentace aplikace PowerPoint


1
Computer-based measurements in distance
education of in-service teachers
Karla Holá, Václav Koubek, Miroslav edivý, Sona
Bendíková, Vincent Cigánik,Marián Daniovic
Faculty of Mathematics, Physics and
Informatics Bratislava, Comenius University
2
  • Introduction
  • In the period from March to June 2003, a distant
    course on the usage of computers in physics
    laboratory was held by the Department of Physics
    Education.
  • Duration of the course 12 weeks
  • Topic Coach 5 experiments and data processing,
    computer modelling and data video measurements
  • Participants a small group of voluntary
    secondary-school teachers from various regions of
    Slovakia. Some of them already had prior
    experience with Coach before the course started.
  • Tools for the distance communication - commonly
    available at any university or, without any
    special costs for performing the course.
  • Follow up - continuation with the same group,
  • - a new group of in-service
    teachers
  • Support of national projects
  • Aim
  • To develop methods and find tools for distance
    instructing of computer-based measurements,
    dynamical computer modelling and video clip
    analysis

3
  • Objectives
  • Participants after taking active part in DE
    should be able to
  • communicate by e-mail and a videoconferencing
    system with the training centre
  • carry out computer-based measurements with
    interface and selected sensors
  • be familiar with the basics of dynamical
    modelling
  • analyse video clips depicting real-life physical
    situations and perform video measurements on them
  • use spreadsheets for data processing
  • use graphs for communication of physical
    information together with graphical analytical
    tools such as derivative, integral
  • build their own new activities, make up physical
    tasks by means of Coach 5 software
  • create electronic presentations with images and
    video clips inserted directly in slides
  • publish their experience at a web site,
    participate in building web database of physical
    experiments
  • implement new methods into physics education

4
  • Structure of the distance course in computer
    assisted secondary physics education
  • initial presence meeting
  • lending of the necessary Coach hardware
  • basic instruction in hardware and software usage
  • fundamentals of electronic communication
  • several distance lessons
  • measurement and data processing 5
  • dynamical modelling 3
  • data video measurements - 2
  • mainly carried out asynchronously but were
    supplemented with synchronous meetings on demand
    for consultation at the agreed time and date
  • evaluation of the course in an on-line survey
  • presence final meeting
  • presentation of a measurement, model or a video
    measurement made on their own
  • discussion of their experience with Coach usage
    at schools
  • bringing back of the experimental set.

5
Communication tools All the selected tools were
computer-based technologies.
6
Types of resources and methods of their
deliveriveng Texts and assignments organised by
  • Supporting materials
  • Two CD-ROMs Chapters on Didactics of Physics
    and Experiments and Models in computer-based
    laboratory
  • Activities (Coach files offered to students with
    detailed procedure instructions)
  • Web materials (to be gradually produced)

7
Web materials
8
Texts with selected topics on Coach functions and
tools with video notes included (Data export
from a Table)
9
Example of Coach activity Ohms Law
10
  • NetMeeting
  • NetMeeting provides powerful conferencing and
    collaboration functions in a complete, integrated
    package for the Internet or intranet.
  • Possibilities and Advantages
  • Cost effective free software to download or
    already included in Windows package
  • Point-to-point audio and video conferencing
  • Multipoint data conferencing using tools
  • Whiteboard
  • Chat (and Whisper- secret message)
  • File transfer (sending assignments,results)
  • Program sharing (of a single program)
  • Remote desktop sharing
  • Disadvantages and Deficiencies
  • Group audio/video conferences are not possible
  • Windows application only
  • Technical equipment required for audio/video
    digital conferencing sound card, microphone,
    speakers, video camera (video capture card)

11
Screenshot of desktop sharing with remote control
in NetMeeting
12
  • Moodle
  • Moodle is a software package for producing
    internet-based courses and web sites.
  • Possibilities and Advantages
  • Free as Open Source software
  • More than 28 language versions every user can
    choose the language for Moodle interface.
  • Students create their own login accounts. Email
    addresses are verified by confirmation.
  • Course formats - week or topic lessons or
    discussion-focussed social format
  • Course activities of the following type -
    Forums, Journals, Quizzes, Resources, Choices,
    Surveys, Assignments, Web links
  • Teachers opportunity of tracking activity of
    each student on one page
  • System of deadlines of assignments
  • Grading with exporting into text and/or excel
    files
  • Teacher-student feedback, e-mail notification of
    it
  • Building of a database of questions,
    multiple-choice questions with either single or
    multiple answer
  • Attachment of a file (up to 2MB)
  • Voluntary or compulsory subscription to
    discussion forums

13
  • Moodle
  • Disadvantages and Deficiencies
  • Administration of courses is a bit clumsy, no
    finished courses are stated and a course contents
    could be more transparent
  • Compatibleness with standard electronic courses
    is not granted
  • Accessibility of discussion contribution to
    every participant, it cannot be chosen by a
    student to whom to address a topic or a reply
  • No Help in navigation for course participants
  • Grades are not stated in percents of the total
    course credits
  • When compared to News board, planning calendar
    for personal and public events is missing
  • The possibility of open survey is missing (only
    some standard surveys with set of prepared
    questions are at ones disposal)
  • The environment is still under construction
  • Weak studentstudent interaction (they are not
    motivated by results of the others)
  • No platform for ideas sharing with attached
    documentation

14
Screenshot of Moodle course Computer based
experiments, models and video measurements in
Coach Week schedule
15
(No Transcript)
16
Screenshot of Moodle course Computer based
experiments, models and video measurements in
Coach Quiz Final test
17
  • VNC viewer (Virtual Network Computing)
  • A remote display system which enables to view a
    computing 'desktop' environment from anywhere on
    the Internet
  • Possibilities and Advantages
  • It is small and simple, no installation needed
  • Platform-independent ( e.g. Windows, Linux)
  • Sharable from multiple points by several persons
    to view, use and control.
  • Free to use (under GNU General Public License).
  • Disadvantages and Deficiencies
  • Caution total computer sharing of multiple
    users, not only program sharing.

18
Screenshot of desktop sharing in VNC
19
  • VRVS
  • VRVS is a web oriented system for
    videoconferencing and collaborative work over IP
    networks.
  • Possibilities and Advantages
  • Various conferencing rooms, which are booked in
    advance
  • Integrated system combining various
    communication tools chat, audio and video
    conferencing, desktop sharing (VNC)
  • Can be used with various platforms (e.g.
    Windows, Linux, Mac, Solaris)
  • Video conferences are accesible from multiple
    points connected to a global net of reflectors.
  • Many ways to share documentation During Room
    reservation, one can attach URL links of the
    documentation. During the meeting, there wiil be
    a list of icons pointing out the documents.
    Possibility of synchronized web browsing in
    chat window.
  • Disadvantages and Deficiencies
  • System requires net connection fast enough so
    that all its tools can function well

20
Screenshot of VRVS general screen
21
  • References
  • NetMeeting http//www.microsoft.com/windows/netmee
    ting/
  • Moodle http//moodle.org/doc/,
    http//www.gnu.org/directory/education/adult/moodl
    e.html
  • VNC http//www.uk.research.att.com/vnc/
  • Piút, J., Koubek, V., Innovation of teacher
    training in physics and maths, TEMPUS AC_JEP
    13101-98 , http//www.ddp.fmph.uniba.sk/tempus/tem
    p001.html, http//www.ddp.fmph.uniba.sk/tempus/fyz
    _vzd.html
  • http//www.ddp.fmph.uniba.sk/koubek/Granty/Granty
    .htm
  • Coach http//www.cma.science.uva.nl/english/index.
    html
  • Infovek http//www.infovek.sk/konferencia/2000/pri
    spevky/filozofia.html
  • Distance course Computer based experiments,
    models and video measurements in Coach organised
    in Moodle http//fyzikus.fmph.uniba.sk/moodle/
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