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71 Cards in this Set
- Front
- Back
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acetate
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A transparent plastic sheet associated with overhead projection.
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animation
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A film technique in which the artist gives motion to still images by creating and juxtaposing a series of pictures with small, incremental changes from one to the next.
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asynchronous
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Not at the same time.
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auditory fatigue
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The process by which attention to a sound gradually decreases because of the monotony of the sound.
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branching programming
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A format of programmed instruction in which the sequence of presentation of the frames depends on the responses selected by the learner.
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bulletin board
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Computer system used as an information source and message posting system for a particular interest group.
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chalkboard
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A display surface, once called blackboard, for visual and textual communication with chalk.
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charge-coupled device (CCD)
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A device that changes a pattern of different wavelengths into corresponding electrical charges.
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cloth board
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A display surface made of fabric for temporarily adhering materials with cloth or sandpaper backing.
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cooperative game
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An instructional configuration involving small groups of learners working together on learning tasks rather than competing as individuals.
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cooperative learning
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An instructional configuration involving small groups of learners working together on learning tasks rather than competing as individuals.
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debriefing
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Discussion conducted among simulation or game participants after play to elucidate what they have learned.
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digital camera
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Camera that uses a charge-coupled device as a recording medium in place of film, recording the image digitally.
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digital recording
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A recording process in which analog information is encoded in binary form before being saved onto the recording medium.
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digital video
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Video recording technology that stores video images as strings of binary numbers.
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digital video editing
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Taking apart and putting back together video segments using a computer and associated software.
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digital videodisc (DVD)
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A compact disc format for displaying motion video, often in the form of movies for home entertainment.
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diorama
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A static display employing a flat background and three-dimensional foreground to achieve a lifelike effect.
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display
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An array of objects, visuals, and printed materials.
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document camera
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A video camera mounted on a copy stand to show documents, pictures, graphics, and real objects to groups.
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documentary
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A video program that deals with fact, not fiction or fictionalized versions of fact.
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electronic whiteboard
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A display surface that "captures" digitally anything written on it.
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electrostatic film (xerography)
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A method of making overhead transparencies. Similar to the thermal process, this process requires specially treated film that is electrically charged and light sensitive.
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exhibit
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A display incorporating various media formats (e.g., realia, still pictures, models, graphics) into an integral whole intended for instructional purposes.
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f/stop
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Term used in measuring a camera's lens opening. Larger f-numbers indicate smaller openings.
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feedback
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feedback
: In electronics, the regeneration of sound caused by a system's microphonic pickup of output from its own speakers, causing a ringing sound or squeal. In communication, signals sent from the destination back to the source that provide information about the reception of the original message. |
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field trip
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An excursion outside the classroom to study real processes, people, and objects.
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flip chart
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A pad of large paper fastened together at the top and mounted on an easel.
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frame game
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Any game that lends its structure to a variety of subject matter.
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fresnel lens
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A flat glass or acrylic lens in which the curvature of a normal lens surface is collapsed into an almost flat plane, resulting in concentric circle forms impressed or engraved on the lens surface. Because of its low cost, light weight, and compactness, it is often used for the condenser lens in overhead projectors and in studio lights.
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game
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An activity in which participants follow prescribed rules that differ from those of reality as they strive to attain a challenging goal.
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hearing
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A physiological process in which sound waves entering the outer ear are transmitted to the eardrum, converted into mechanical vibrations in the middle ear, and changed in the inner ear to nerve impulses that travel to the brain.
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in-house video
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Video produced within one's own school or company.
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instructional module
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A freestanding instructional unit, usually used for independent study. typical components are rationale, objective, pretest, learning activities, self-test and posttest.
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instructional system
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A set of interrelated components that work together within a framework to provide learning activities necessary to accomplish a learning goal.
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keystone effect
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The distortion (usually creating a wide top and narrow bottom) of a projected image caused when the projector is not aligned at right angles to the screen.
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learning center
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A self-contained environment designed to promote individual or small-group learning around a specific task.
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linear programming
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A format of programmed instruction in which the frames are arranged in a fixed, linear sequence.
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liquid crystal display (LCD)
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A data display using a liquid crystal material encased between two transparent sheets. Liquid crystals have the properties of a liquid and a solid; a network of electrodes and polarizing filters creates a grid of pixels that open and close to pass or block light.
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listening
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A psychological process that begins with someone's awareness of and attention to sounds or speech patterns, proceeds through identification and recognition of specific auditory signals, and ends in comprehension.
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magnetic board
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A display surface made of metal for temporarily adhering materials with magnetic backing.
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manipulative
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Object that can be viewed and handled in a learning setting.
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mock up
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Representation of a complex device or process.
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model
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A three-dimensional representation of a real object; it may be larger, smaller, or the same size as the thing represented.
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mp3 (MPEG Audio Layer 3)
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A format for compression of audio files to shrink them into more manageable size, especially using the Internet.
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nonprojected visual
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Any visual teaching aid that does not require equipment to view or manipulate.
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oral history
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Historical documentation of a time, place, or event by means of recording the spoken recollections of participants in those events.
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overhead projection
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Projection by means of a device that produces an image on a screen by transmitting light through transparent acetate or a similar medium on the stage of the projector. The lens and mirror arrangement in an elevated housing creates a bright projected image over the head or shoulder of the operator.
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overlay
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One or more additional transparent sheets with lettering or other information that can be placed over a base transparency.
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packaged instruction
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Materials which allow students to control when and where they learn.
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persistence of vision
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The psychophysiological phenomenon that occurs when an image falls on the retina of the eye and is conveyed to the brain via the optic nerve. The brain continues to "see" the image for a fraction of a second after the image is cut off.
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presentation graphics software
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Computer software to create attractive graphic displays without specialized production skills.
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programmed instruction
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A method of presenting instructional material printed in samll bits of frames, each of which includes an item of information (prompt), a sentence to be completed or a question to be answered (response), and the correct answer (reinforcement).
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programmed tutoring
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A one-to-one process technology in which the decisions to be made by the tutor are "programmed" in advance by means of carefully structured printed instructions.
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projected visuals
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Media formats in which still images are projected onto a screen.
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real object
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Not a model or simulation but an example of an actual object used in instruction.
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role play
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A simulation in which the dominant feature is relatively open-ended interaction among people.
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simulation
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An abstraction or simplification of some real-life situation or process.
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simulation game
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An instructional format that combines the attributes of simulation (role playing, model of reality) with the attributes of a game (striving toward a goal, specific rules).
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simulator
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A device that represents a real physical system in a scaled-down form; it allows users to experience the salient aspects of the real-life process.
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slide
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A small-format (e.g., 35mm) photographic transparency individually mounted of one-at-a-time projection
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slow motion
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A film technique that expands time by photograping rapid events at high speeds (many exposures per second) and then projecting the film at normal speed.
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streaming video
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A video file downloaded from the Internet that starts playing before it is completely downloaded.
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study print
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A photographic enlargement printed in a durable form for individual or group examination.
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synchronous
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At the same time.
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time lapse
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A video technique that compresses the time that it takes for an event to occur. A long process is photographed frame by frame, at intervals, and then projected at normal speed.
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transparency
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The large-format (typically 8 by 10 inches) film used with the overhead projector.
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video
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The storage of visuals and their display on a television-type screen.
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virtual field trip
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A type of field trip in which the students do not leave the classroom setting; instead they use media to provide the experience of "being there."
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visual
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A type of media whose mode of apprehension is optical (e.g., diagrams, drawings, photographs, cartoons).
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whiteboard
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A display surface, also called multipurpose board or marker board, for visual and textual communication using special felt-tip markers.
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