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25 Cards in this Set
- Front
- Back
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aided symbol
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something outside the body, pictures, objects, drawings
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unaided symbol
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something within the body, gestures, signs, vocalizations
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symbols
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referents- what it represents
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iconicity
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perceptual relationship between the symbol and what it means
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iconicity continuum
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Transparent-------------opaque
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transparent
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actual object
-----------------------color photo |
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opaque
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orthography
--------line drawing |
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semantic-syntatic grid display
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organizes vocab in parts of speech
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taxonomic grid display
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groups symbols in categories
people, place, feeling, action words, food, drink |
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activity grid dispay
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organizes vocab to event schemes, routines, activities
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visual scene display
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scene display organized schematically
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scanning
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individual waits as facilitator or device go through undesired items before coming to desired item
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circular scanning
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*least complicated, *visuallydemanding
*easiest to learn like a face of a clock the program scanns in a circular motion |
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linear scanning
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scans each item row by row
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group item scanning
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*more efficient
*row-column scanning identifies a group first to limit selection |
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direct scanning
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cursor moves by activiation of person, choice is made when switch is released
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automatic scanning
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cursor moves automatically and press switch to stop movement
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step scanning
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cursor moves through activation of switch for each movement
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partner assisted
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partner does scanning instead of device
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scanning timing and speed
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set to individual's preference
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rate enhancement techiques
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allows individual to use device more effectively
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message prediction
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message retrieval through prediction of letter, word, phrase, or sentence
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letter prediction
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probability of a letter occuring in a word- device predicts what comes next
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word prediction
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as you add more letters to a word, you are given different choices of words to select
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phrase/sentence prediction
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algorithms for predicting language units
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