Modality

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Information about Modality
Entertainment

Published on March 3, 2009

Author: johncraig

Source: authorstream.com

Modality & Redundancy : Modality & Redundancy By: John Craig EDTECH 513 - Multimedia Project Objectives : Project Objectives Students will be able to define the terms modality and redundancy Students will be able to explain how modality and redundancy applies to audio and visual channels Students will be able to apply the modality principle to educational situations Identify situations where redundancy may be appropriate Modality : Modality Use spoken text instead of written text Research shows narration is more effective than written text Multimedia and Memory Systems : Multimedia and Memory Systems Printed Text and Graphics : Printed Text and Graphics The diagram above shows that multimedia information can be presented in two ways. First with printed text that is perceived by the eyes and then moves into the visual processing memory. Pictures are also perceived by the eyes causing an overload of the visual processing center. Spoken Text and Graphics : Spoken Text and Graphics Formation of Ethyl Methanoate : Formation of Ethyl Methanoate The combination of the alcohol ethanol and the acid methanoic acid at high temperatures creates the ester called ethyl methanoate. The OH from the acid and the H from the OH group in the alcohol are removed to form water while a bond is formed between the oxygen and carbon. This product is an artificial raspberry smell in foods. Formation of Ethyl Methanoate : Formation of Ethyl Methanoate Redundancy Principle : Redundancy Principle Carbon Cycle : Carbon Cycle Carbon Dioxide is removed from the atmosphere by plants through the process of photosynthesis. Plants eventually die and can be naturally converted into fossil fuels, which are burned by humans that release carbon dioxide into the air. Animals and plants also respire and decompose which also puts carbon dioxide into the air. Learning Polish : Learning Polish Car – samochod – the ch sound in Polish is not a typical English sound. Cell phone – telefon komorkowy – the letter w in Polish is actually a v sound Chair – krzeslo – the l in Polish is the w sound in English Practice Problem #1 – Define the following terms : Practice Problem #1 – Define the following terms Redundancy Modality Practice Problem #1 – Define the following terms : Practice Problem #1 – Define the following terms Redundancy Modality Using written text and audio narration to explain a graphic. This style is not recommended in most teaching situations the concept of using audio narration with graphics instead of written text to reduce cognitive overload Practice problem #2 : Practice problem #2 What are the three ways that multimedia can transfer knowledge into a person’s memory system? Explain how the modality principle takes advantage of two human sensory inputs? Practice problem #2 : Practice problem #2 What are the three ways that multimedia can transfer knowledge into a person’s memory system? Explain how the modality principle takes advantage of two human sensory inputs? Printed text, audio narration, and graphics By using narration and visual graphics a presentation can take advantage of using the visual and audio sensory inputs into the memory, without overloading either Practice Problem #3 : Practice Problem #3 Design a short tutorial using the modality principle and the above image to teach a child to brush their teeth Practice Problem #4 : Practice Problem #4 Identify two situations where redundancy may prove beneficial to learning and explain why. Practice Problem #4 : Practice Problem #4 Identify two situations where redundancy may prove beneficial to learning and explain why. There is no pictorial graphics on the slide. In this situation there is no picture to overload the visual channel The pace of the presentation is slow. This situation allows the student to move at a slow pace and take in audio and visual cues separately ESL or learning disabled students. This situation the learner may benefit from seeing and hearing unfamiliar terms and phrases

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