Chapter 6 Visuals Wendy Bowman Categories Nonprojected Visuals
Chapter 6 Visuals Wendy Bowman
Categories • Nonprojected Visuals – Require no equipment – Size of visuals affect visual quality • Projected Visuals – Grabs the attention of the audience – Often magnifies images
Nonprojected Visuals • Still Pictures • Drawings • Charts • Posters • Cartoons • Graphs
Projecting Visuals • • Document Cameras Overhead Projectors Slides Digital Images (CD-ROM, DVD, Photo CD, Computer Disks, Videodisc)
Document Cameras • All students have equal view • Allows group viewing of student work • No production required • Bulky hardware • Monitor or projection unit required • Additional lighting required BACK
Overhead Projectors • Brightness • Eye Contact • Abundance of materials • Manipulable • Availability of materials • Not preprogrammed • Not selfinstructional • Required production process BACK
Slides • Sequencing • Automatic cameras and projectors • Large collection • Individualized instruction • Becomes disorganized • Jamming • Susceptible to damage • Expensive to make BACK
Digital Images • • • Random access Durability Storage capacity High quality Portable Less storage space used • Expensive to produce • Requires player and projector • Outdated formats such as laser discs FORWARD
Digital Image Projection • Uses LCD • Unlimited image choices • Vast capacity • Interactive • Access to image • Lack of brightness • Expensive • Legibility and resolution
Questions?
- Slides: 10