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Fast Mapping
The quick process by which children hear and understand words without formal teaching.
Slow Mapping
The process of expanding and fine-tuning word meanings through experiences in multiple contexts.
Expansions
Providing a more syntactically correct model of a child's utterance.
Extensions
Providing a syntactically correct model that adds new semantic information.
Joint Attention
When the caregiver and child focus on the same object or event simultaneously.
Joint Reference
When the caregiver and child have a shared understanding of something.
Imitation
The process where infants replicate bodily movements and facial gestures as part of language development.
Vocables
Unique sound patterns used by children, which are consistent and refer to specific things or situations.
Vegetative Sounds
Early reflexive sounds produced by infants, such as cries, burps, and sneezes.
Cooing
Production of vowel-like sounds by infants, starting around the second month of life.
Jargon Babbling
Babbling that includes intonation contours, occurring between 7-8 months.
Transitional Babbling
Vocalizations that consist of single-syllable productions bridging cooing and true babbling.
Variegated Babbling
Babbling that involves producing successive syllables that differ from each other.
Overextension
When a child uses a word to represent a broader category than its intended meaning.
Underextension
When a child uses a word in a narrower context than its actual meaning.
Shared Book Reading
A focused language experience for children that exposes them to story structure and vocabulary.
Infant-Directed Singing
Singing directed towards infants that promotes sleep and stimulates positive emotions.
MLU (Mean Length of Utterance)
Calculates the average number of morphemes a child produces in a language sample.
Type Token Ratio (TTR)
Measures word diversity in a language sample by dividing the number of different words by the total number of words.
Language Development 0-6 Months
Includes vegetative sounds, cooing, laughing, gradual head control, rolling over, short attention span
Language Development 6-12 Months
Features transitional babbling, true babbling, beginning to understand some words, sitting up independently, pulling up, joint attention
Development 12-18 Months
Involves first words, vocabulary consists mainly of nouns, over/underextensions, walking independently, pretend play
Language Development 18-24 Months
Rapid vocabulary expansion (50 words at 18 mo), two-word combinations, and understanding basic concepts, running, jumping, using utensils, pointing, complex play
Purpose of a Language Sample
To document a child's language abilities and track progress over time.
Factors Influencing Language Development
Include social class, education, and access to resources.
Parent-Infant Communication
Quality and quantity of interactions that play a crucial role in language development.
Community Resources for Development
Library, meals on wheels
Early Intervention Programs
first steps, head start
Literacy Programs
Community-based programs promoting early literacy skills, like story times.
MLU Calculation
morphemes / utterances
TTR Calculation
different words / total words x 100
expressive language
The use of words, sentences, and gestures to convey thoughts and ideas.
receptive language
The ability to understand and process spoken or written language, including words, sentences, and gestures.
speech
The neuromuscular coordination that results in specific sound patterns and sequences.
language
A system of communication using symbols, sounds, or gestures to convey meaning.
What are the 5 domains of language?
Phonology, morphology, syntax, semantics, and pragmatics.
Phonology
The study of the sound systems of languages, including the rules for their combination and pronunciation.
Morphology
The study of the structure and formation of words, including the analysis of morphemes, which are the smallest units of meaning.
syntax
The set of rules, principles, and processes that govern the structure of sentences in a language, including word order and sentence formation.
semantics
The branch of linguistics that deals with meaning in language, including the interpretation of words, phrases, and sentences.
pragmatics
The study of how context influences the interpretation of meaning in communication, including speaker intention and the social aspects of language use.
language disorder
A condition that affects an individual's ability to understand or use language effectively, which can impact communication, reading, writing, and social interactions.
language difference
Variations in language use among different cultural or social groups that do not indicate a disorder. It reflects the diversity of language and communication styles.
Language Delay, Late Talker, or Late Language Emergence
terms used when a young child (2-3 years) exhibits a developmental lag in language.
Nature
The innate ability a child has to learn language.
Nurture
Language is learned from the environment
Perlocutionary Stage (Birth - 8 months)
Caregivers assign intentions to infants’ cries, smiles, vocalizations, and gestures. Infants begin with reflexive sounds, then begin cooing and eventually babbling.
Illocutionary Stage (9-12 months)
Infants begin to initiate intentionally through cry differentiation, smiles, and gestures. They begin using jargon in this stage.
Locutionary Stage (12+ months)
First words are used to express intention.
Norm-Referenced Assessments
Compares a client’s abilities to those of same-aged peers. E.G. IQ tests, CELF-5
Criterion-Referenced Assessment
Compared a client’s performance to a pre-specified standard or specific skill. E.G. This quiz or language sample.
Dynamic Assessment
Evaluates a child’s ability to learn through a test-teach-retest method.
Pros and Cons of Norm-Referenced Exams
Pros: Efficient, clear, compute standard scores
Cons: Snapshot of ability, unfamiliar environment, over-identifies children from minority cultures, few items to asses each language target
Pros and Cons of Criterion-Referenced Assessment
Pros: Helps identify targets for intervention, simple scoring using raw scores, can be more natural
Cons: Snapshot of ability, unclear assessment protocol
Pros and cons of dynamic assessment
Pros: great tool with minority students, gives the child a chance to learn new skills and show their ability to retain new knowledge
Cons: No clear protocol, does not compute standardized scores
Static Assessment
Provides a snapshot of an individual’s performance at one moment in time. This encompasses both norm-referenced and criterion-referenced assessments.
Validity
The degree to which a test procedure accurately measures what it is designed to measure
Construct validity
The underlying theory on which an assessment instrument is based
Content validity
The degree to which results on one test align with those of another test measuring the same construct
Criterion-related validity
The degree to which results on one test align with those of another test measuring the same construct.
Predictive validity
How well a test score will predict a student’s performance on a future criterion-referenced task
Reliability
The degree to which a test is free from errors of measurement across forms, raters, and time
Interrater reliability
When given the same test by different assessors, results are similar.
Test-retest reliability
When a test is given to the same individual on several occasions, the results are similar.
Importance of Validity and Reliability
They ensure that the test is accurately and consistently measuring what it is supposed to measure
The steps of an assessment
1) may need to screen beforehand to determine need
2) Case history
3) Screen other areas
4) Language Evaluation/Assessment
5)Score
6) Give results
Basal
The “Starting point.” A predetermined number of answers a tester must answer correctly before a test can move forward. All testing items below it are seen as “mastered”.
Ceiling
The “end point.” After a predetermined number of errors, the test ends. All items following it are considered “unknown.”
Raw scores
The number of items that are completed correctly on an assessment
Standard scores
Transformed raw scores measured in standard deviation units
Percentile rank
The percentage of scores in its frequency distribution that are equal to or lower than it
Language sample
A criterion-referenced task that evaluates an individual’s spontaneous or self-generated language in natural contexts. Typically used along with norm-referenced tests.
Length of Language Sample
10-15 minutes
Utterance goal in language sample
50-100
Process of Language Samples
Uses joint attention during natural child-led play to get and understanding for the child’s current language abilities.
Clinician’s role in language samples
Responds to the child’s speech with semantically related information in the same length as the child’s utterances, while keeping questions to a minimum.
3 rules of giving a language sample
1) Keep questions to a minimum
2) Keep joint attention
3) Use a similar MLU as the child
DSA (Dore’s Speech Acts)
Codes children’s utterances into categories based on communication intentions; tests use (pragmatics).
Noun
A word that represents a person, place, thing, or idea. Function as subjects or objects in a sentence.
Pronouns
Words that replace nouns in a sentence, used to avoid repetition and simplify sentences.
Verbs
Words that express actions, states, or occurrences, serving as the main part of the predicate in a sentence.
Adjectives
Words that describe or modify nouns, providing more information about their qualities or characteristics.
adverbs
Words that modify verbs, adjectives, or other adverbs, indicating manner, degree, frequency, or time.
prepositions
Words that show the relationship between a noun (or pronoun) and other words in a sentence, often indicating direction, location, or time. (Can a mouse go there?)
Language
A complex system of symbols used for thought and expression
Communication
Includes both symbolic and nonsymbolic information
Language Disorder
Impaired understanding and/or use of spoken, written, or other symbol systems.
Receptive language
Ability to understand and process language
Expressive Language
Ability to express meaning with language
Standard deviation
Spread of scores around the mean