PGA Preferences Categorization
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CategoryPreferenceApplies ToDescriptionAmenable to inference?
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Content PreferencesPreferences that apply to a specific type of content.
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Video alternativesvideo, audio, image, text, interactive contentSimpler to ask?
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Text alternativestext, video, audio, image, interactive content
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Interactive alternativesvideo, audio, text, image
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Audio alternativesaudio, video, image, text, interactive content
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Graphical alternativestext
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Text transcriptsaudio, video, interactive content
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Captionsvideo, audioSome people haven't experienced these. So may not be able to ask. Can show user an example.
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StoryboardvideoA listing of key frames with accompanying text transcript for that segment
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Related contentvideo, audio, image, text, interactive contentIndicate when related materials is present for content.
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Disablevideo, image, audio, interactive content
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Disable graphicsvideo, image, interactive content
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Disable audiovideo, audio, interactive content
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Disable blinkingvideo, interactive content, image, text
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Volume presetvideo, audio, interactive contentSilent, Quiet, Normal, Louder
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Video player interfacevideoSize, position, colour of video player
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Audio player interfaceaudio
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Controlsanimations, interactive contentPlay / pause
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Definewords
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Simplifywords, difficultySimpler, Default, More challenging
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Shorten sentencestext
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Emphasize keywordstext
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Emphasize key phrasestext
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Render equationsmathi.e. graph equation, render geometric shape.
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Text to mathmath
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Math to textmath
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Spacingletters, words, lines, objectsNot unless we have eye tracking
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Marginsletters, words, lines, objects, pageNo
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ColorBackground, textNot unless we have eye tracking
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Contrastbackground, text, image, video, interactive contentCustomizable colours, preset themes (i.e. White on black, black on yellow)Not unless we have eye tracking
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Sizetext, paragraph, link, button, icon, form, caption, transcript, video, audio, imageFlaggable on touch-screen devices with Zoom gestures. Potentially also if device has a camera with face recognition - detect peering in at screen.
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Text styletextType face, emphasisNot unless we have eye tracking
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Table cells highlightTablesNo
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Distance between columnsTables, Columns
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Indicate alternate versionsvideo, audio, image, text. interactive contentIndicate when alternate versions of content is available.Flaggable if we can observe prior use of alternatives.
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Indicate extra contentvideo, audio, image, text. interactive contentIndicate presence of supplementary material is present (i.e. extra examples, longer descriptions).
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Localization / Translationvideo, audio, image, text, interactive contentLanguage preferencesNo
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Table of contentstextNot unless we have eye tracking
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Learning AidsAids are tools that apply to the whole learner experience.
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Graphic organizers
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DictionarySpelling and use of an external dictionary could be clues.
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Graphing calculator
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Note taker
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Progress tracker
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Social interactionIndividual or collaborative
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Assistance from ExpertWhether or not learner needs help from an expert (teacher, instructor, etc.).
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SharingTools to aid sharing content
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Voice recorderRecord voice notes related to content.
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Interaction SettingsThese preferences apply to the whole learner experience.
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Cursor highlightflaggable with eye tracking or face recognition
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Cursor Sizeflaggable with eye tracking or face recognition
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Tab navigationLearner requires tab-navigable contentFlaggable, observable. Look for use of tab navigation.
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Visual feedback
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Audio feedback
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Autocomplete
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Focused viewing
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Tooltip visibilityTime before tooltip is displayed and disappears.Not unless we have eye tracking; could check for multiple pop-ups of the same tooltip showing user did not get enough time to read it initially.
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Emphasize links and buttonsNot unless we have eye tracking
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Point to speakNo
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Page content searcher
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Magnified text area(Displays a very large version of selected text in a separate area)On some devices could look for use of zoom gestures. This would flag the preference as potentially relevant.
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Text line/word isolator(Digital equivalent to physically hiding all but a single line/word of the text)
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Time restrictionsNo time restriction, more time, default.Possibly measurable by timing user's physical response speed, but this would not account for cognitive reasons for needing extra time, including anxiety.
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Simplify Layout
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Brief rewind-and-playaudio, videopauses content, goes back a few seconds, and begins play from there; may have other interface options the second time around.Flaggable. Look for pattern of pausing, rewinding a little and playing again, or viewing the same entire video repeatedly (but could be many reasons for this).
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System settings and network connectivityMay be auto-detected and influence learner's preferences
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Network reliability
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Network speed
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Computer processing power
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Display resolution
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InputText input methodphysical or on-screen keyboardInference not appropriate - ask directly or detect current setup.
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Selection methoddirect, keyboard, dwell, tab, scanSome methods are observable, others dependent on what info is available to browser. Flag if selection time is long.
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Scanningscanning rate optionsFlaggable, observable and measurable. Look for scanning errors and timing of selection within the scan window.
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One-digit interactionFlaggable, observable and measurable for keyboards (Trewin) and touch screens (not proven). Look for avoidance of two-digit actions, use of single finger alternatives, errors in performing two-digit actions.
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touch timeFlaggable, observable and measurable (not proven). Look for long touch times for normal selection actions and errors caused by too long, such as multiple letters subsequently deleted.
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touch delayFlaggable, observable and measurable (not proven). Look for non-productive short touches, or short touches whose actions are undone.
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debounce timeFlaggable, observable and measurable (Trewin). Look at timing of double letters in typing.
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sustained action time limitMeasurable by testing length of time user can sustain an action for.
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key remappingindicate when key remapping is availableMeasurable by testing ability to reach all parts of the screen/keyboard.
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Voice to keyboard interactionInference not appropriate - ask directly or detect current setup.
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Keyboard shortcutsFlaggable and observable through use of shortcuts and non-use of direct selection methods.
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Mouse speedFlaggable, observable and measurable. Look at mouse paths, especially overshoots.
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Double click speedFlaggable, observable and measurable (not proven). Look for repeated clicks at same location.
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