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104 Cards in this Set
- Front
- Back
What is an infants speech perception ability?
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Their ability to devote attention to prosodic and phonetic regularities of speech
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Prosodic Regularities include -
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Frequency, duration, stress and intonation
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What is frequency
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Pitch of sounds
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What is duration
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Length of sounds
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What is stress
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The prominence placed on certain syllables of multisyllabic words.
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What is intonation
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The prominence placed on certain syllables, but also applies to entire phrases and sentences
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How do infants use prosodic regularities to segment the speech stream?
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by becoming familiar with the dominant stress patterns of their native language.
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What stress to infants learning english prefer?
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strong-weak patterns
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phonetic detail of speech include what?
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phonemes
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What did the Stager and Werker study conclude about infants (8 months old)
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they are trying to learn simple sound distinctions and are more sensitive to changes in phonemes.
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Infant's ability to to notice fine phonetic detail is limited to their native language. T or F
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False
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Researchers suspect that discriminating nonnative contrasts may be a a ________-________ ability
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domain general
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Infants' ability to differentiate between permissible and impermissible sound sequences in their native language is present by about how many months?
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Nine months
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Children's perceptions of speech is what?
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Categorical
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what is voice onset time?
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interval between the release of a stop consonant and the onset of vocal cord vibration
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infants can distinguish between purposeful and accidental action by how old?
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4 months
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the ability to group items and events according to the perceptual and conceptual features they share is called....
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categories
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What are the 3 levels of categories?
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superordinate, subordinate and basic
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what is the superordinate level?
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the most general concept in a particular category (food, clothing)
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Are superordinate level words first or later in learning?
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later
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what is the subordinate level?
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describe specific concept in a category (pinto, black, garbanzo for beans)
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What is the basic level?
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general concepts in a category (apple, chair, shirt)
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Basic level is the first or later learning?
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first
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What are the 2 basic categories at each level of the hierarchy that infants learn from
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perceptual and conceptual
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what are perceptual categories?
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categories learned on the basis of similar features (color, texture, shape)
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what are conceptual categories?
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categories requiring infants to know what something is or what something does
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what are the 6 vocalization development stages according to SAEVD?
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reflexive, control of phonation, expansion, control of articulation, canonical syllable, C-V sequences, advanced forms
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What is SAEVD?
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Stark Assessment of Early Vocal Development
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What age is the reflexive stage?
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0-8 weeks
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What is the infant doing in the reflexive stage?
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sounds of discomfort and distress, and vegetative sounds.
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Do infants have control over their reflexive sounds?
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no
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What age is the control of phonation stage?
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6-16 weeks
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What is the infant doing in the control of phonation stage?
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cooing and gooing
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What sounds are the cooing and gooing sounds?
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mainly of vowel sounds and nasalized sounds.
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Why are control of phonation sounds easier for infant to produce?
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because they don't have to manipulate the tongue, lips or teeth
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What age is the expansion stage?
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4-6 months
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What is the infant doing in the expansion stage?
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they gain more control over the articulators and produce series of vowel sounds as well as vowel glides. They experiment with loudness and pitch.
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What is symmetrical communication patterns?
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mutual engagement on the part of mother and infant
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What is unilateral communication patterns?
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involves engagement on the part of the mother but not the infant
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are infants rates of syllabic and vocalic vocalizations positively or negatively associated with symmetrical communication patterns?
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positively
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are infants rates of syllabic and vocalic vocalizations positively or negatively associated with unilateral communication patterns?
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negatively
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What age is the control of articulation?
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5-8 months
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What is the infant doing in the control of articulation stage?
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experiment with sounds and loudness of voice. Marginal babbling emerges
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define marginal babbling.
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early type of babbling containing short strings of consonant like and vowel like sounds
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what age is canonical syllable stage?
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6-10 months
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What is the infant doing in the canonical syllable stage?
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true babbling emerges
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True babbling may be what 2 things?
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reduplicated and nonreduplicated
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what is reduplicated babbling?
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repeating C-V pairs (ma ma ma)
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what is nonreduplicated babbling?
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consists of nonrepeating C-V combinations
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what stage are whispered vocalizations, rounded vowels and high front vowels produced at?
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canonical syllable stage
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what age is the advanced forms stage?
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10-18 months
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What is the infant doing in the advanced forms stage?
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diphthongs and jargon
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what is jargon?
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special type of babbling that contains the true melodic patterns of the native language.
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Jargon are not true words. T or F
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true
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What are some foundations that pave the way for later language development?
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infant-directed speech, joint reference and attention. daily routines of infancy and caregiver responsiveness
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What else can infant directed speech be called?
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motherese, baby talk, child-directed speech
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What is infant directed speech?
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the speech adults use in communicative situations with young language learners
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What are is paralinguistic features of speech?
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the manner of speech outside the linguistic information.
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What features does paralinguistic features of ID speech include?
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high overall pitch, exaggerated pitch contours and slower temos.
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What is the syntactic difference between ID and AD?
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shorter MLU, fewer morphemes, fewer subordinate clauses more content words, fewer function words
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What discourse features does ID speech have?
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more repetition and more questions
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what special purposes does ID speech have?
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attract infant attention, infants prefer it to AD, aids in communicated emotion and speakers communicative intent
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ID contains exaggerated vowels or consonants?
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vowels
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ID speech highlights content words or function words?
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content
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What are the 3 developmental phases for joint attention?
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attendance to social partners, emergence and coordination of joint attention, transition to language
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Attendance to social partners is at what age?
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birth - 6 months
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what are infants doing in attendance to social partners?
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learning how to maintain attention and be organized within sustained periods of engagement, looking at people's faces
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what age is emergence and coordination of joint attention
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6 months to 1 year
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what are infants doing at emergence of coordination of joint attention?
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moving their attention between an object of interest and another person
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what is supported joint attention?
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joint attention in which an adult use techniques as speaking with an animated voice or showing an infant novel objects
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Why is joint attention important?
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in absence, infants may miss out on word learning opportunities as their caregivers label objects and event for them
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what is intersubjective awareness?
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recognition of when one person shares a mental focus on some external object or action with another person.
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What do infants use intersubjective awareness for?
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infer another person's intentions
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intentional communication is what?
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using your own actions referentially
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What is imperative pointing?
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requests to adults to retrieve objects for them.
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What is declarative pointing?
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call an adult's attention to objects and to comment on objects
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is declarative pointing or imperative pointing related to their understanding of other people's intentions?
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declarative
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What age is the transition to language?
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1 year and beyond
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What do infants do in the transition to language?
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begin to incorporate language into their communcative interactions with other people.
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How do daily routines of infancy help with language development?
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during routines, caregivers provide commentary on what is happening which provides info on how to segment phrases, clauses and words.
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what 7 indicators of caregiver responsiveness have been linked with improved rates of language learning?`
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waiting and listening, following the child's lead, joining in and playing, being face to face, using a variety of questions and labels, encouraging turn taking, expanding and extending
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Both the quality and quantity of responsiveness by caregivers play a large role in early language development. T or F
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true
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When is a word a true word?
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clear intention, pronunciation that approximates the adult form, uses it consistently and generalizes beyond original context.
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When is the first true word usually produced?
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12 months
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what are the 3 rule governed domains that reflect an integrated whole
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content, form and use
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how do infants use language? (10 things)
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attention seeking to self, attention seeking to event, objects or other people, requesting objects, requesting action, requesting info, greeting, transferring, protesting or rejecting, responding or acknowledging, informing.
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for intraindividual differences, what are the 3 factors as to why language comprehension precedes language production?
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people only have to retrieve words from their lexicon, sentences are preorganized with lexical items, a syntactic structure and intonation, communicative interaction with infants is usually highly contextualized.
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What are the 3 differences for interindividuals?
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ome will develop language more quickly than others, some will express themselves for different communicative purposes, and some will be late talkers and some will be early talkers.
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what are 2 variables of interest for interpreting variation in infants' vocab
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SES and amount of talk parents engage in with their children.
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What do expressive language learners do?
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they use language primarily for social exchanges.
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what do referential language learners do?
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use language primarily to refer to people and objects.
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What are late talkers?
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children who exhibit early delays in their expressive language development
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What are early talkers?
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children who are ahead of their peers in expressive language use.
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late talkers perform at lower levels in what vs early talkers?
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sentence formulation, word retrieval, auditory processing of complex info and elaborated verbal expression
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According to the book, what 4 ways do researchers gather info for language achievements?
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habituation-dishabituation tasks, intermodal preferential looking paradigm, interactive intermodal preferential looking paradigm, naturalistic observation
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What is habituation in the habituation-dishabituation tasks?
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presenting the same stimulus repeatedly until their attention to the stimulus decreases by a predetermined amount
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what is dishabituation in the habituation-dishabituation tasks?
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the infant's renewed interest in a stimulus according to some predetermined threshold.
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What is the intermodal preferential looking paradigm?
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infant sits on blindfolded parent and watches split screen presentation in 1 stimulus is on right, and one on left. audio is given that only matches 1 side of screen, and hidden camera records infants' visual fixation. When infant understands language, will fixate on correct side of screen.
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What is the interactive intermodal preferential looking paradigm?
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Same setup as the intermodal preferential looking paradigm, but the TV is a movable display board.
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What is a salience trial
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this measures whether the infant has an a prior preference for one of the objects over the other object.
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what is naturalistic observation?
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systematically observing and analyzing an infant's communicative behavior in everyday situations.
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according to the book what 2 informal measures of language development do a clinician use?
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informal language screens, parent-report measures
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What are informal language screens?
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involve checklists of common early language milestones
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what are parent report measures?
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parents report directly on their infant's development.
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