Media selection - PowerPoint PPT Presentation

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Media selection

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amalgam of stimulus modes - human interaction, realia, pictures, written symbols, ... Design cues (typography, color, texture, motion vs. still, intonation) ... – PowerPoint PPT presentation

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Title: Media selection


1
Media selection
  • Mart Laanpere

2
Instructional media - definitions
  • physical means to communicate instructional
    message (Gagne)
  • amalgam of stimulus modes - human interaction,
    realia, pictures, written symbols, sound
    (Rowntree)
  • software with the necessary hardware in a
    particular context of instructional communication
    (Heidt)

3
Media types (Dales cone)
  • Written text
  • Symbols, icons
  • Graphs, plots
  • Recorded audio
  • Pictures
  • Video, film
  • Live audio
  • Live presentation
  • Performance

4
Media attributes
  • Sensory modality (reading or listening one or
    two channels)
  • Symbolic modality (verbal or nonverbal)
  • Design cues (typography, color, texture, motion
    vs. still, intonation)
  • Locus of control (pace, sequence)
  • Interactive features (feedback, collaboration)

5
Media selection factors
  • Type of learning task
  • Teachers attitudes, skills etc.
  • Characteristics of students
  • Methods selection
  • Practical constraints
  • Physical conditions
  • Target population
  • Subject matter and required student performance

6
ACTIONS model (by T. Bates)
  • Access
  • Cost
  • Teaching and learning
  • Interactivity and user-friendliness
  • Organisation
  • Speed

7
Research on instructional media
  • Overall conclusion most media may be used
    effectively for the attainment of different
    objectives, also most objectives may be achieved
    through any of a variety of media
  • The No Significant Difference phenomenon
  • Focusing on the learner based on
    Aptitude-Treatment Interaction approach
  • Multimedia, hypermedia, WWW as a killer app
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