Form
Content
Use
Measurements
Major Milestones
100

These three areas make up language form

What is phonology, morphology, and syntax?

100
Advancements in language use can be described in terms of developments in this area of language
What is semantics?
100

This area of language falls under the category of language use

What is pragmatics?

100

A method in which infants are exposed repeatedly to a stimulus until they no longer attend to it

What is Habituation?

100
Development of gesture, first words, and theory of mind are major milestones associated with this developmental period

What is toddlerhood?

200
Around months, infants lose ability to perceive between sounds that exist only outside of their native language known as this 

What are nonnative contrasts?

200

A theory of word learning that posits that infants use social cues to determine word meanings

What is the Social-Pragmatic Framework?

200

A development in the preschool years that includes things like topic maintenance, turn taking, and initiation 

What are conversation skills?

200

Determines if a child has a language disorder, the extent of that disorder, and how the disorder is manifesting 

What is (comprehensive) assessment?

200
Changes in the language input a child receives/uses and the development of metalinguistic competence are associated with this developmental period

What is school age?

300

Plural -s, progressive -ing, and regular past tense -ed are examples of this

What are grammatical morphemes?

300

A toddler referring to all furry house pets as "dogs" is an example of this

What is overextension? 

300

Interpretive, logical, participatory, and organizational are types of these that emerge during the preschool period

What are discourse functions?

300

Commonly used for behavioral research with very young infants to measure their physiological response to a stimulus 

What is non-nutritive sucking paradigm?

300

Advancements in theory of mind, decontextualized language, and emergent literacy characterize this developmental period

What is preschool? 

400

During toddlerhood and around the 50 word mark for expressive vocabulary development, children start to put two+ words together, which marks the true beginning of this area of language development

What is syntax?

400

A problem faced by young language learners in which they must determine how a label maps onto a seemingly infinite number of referent objects

What is the Quinean conundrum?

400

A type of discourse that develops during the school-age period which is used for convincing others

what is persuasive discourse?

400
Gathers information about the development of young infants and toddlers to determine their skills and detect a delay or disorder through means other than elicitation or demonstration of those skills

What is a parent report?

400

Category formation, changes in speech perception, awareness of intentions and actions, and early vocalizations are major milestones of this developmental period

What is infancy?

500

Morphemes can be characterized in these four ways 

What are derivational, grammatical, free, and bound morphemes?

500
Refers to a system of word learning biases used by young children; consists of tier 1 and tier 2 principles

What is the lexical principles framework?

500

A component of advanced narratives that depicts how a character is feeling or what they are thinking

What are mental states?

500

A requirement for proper language assessment of a bilingual child 

What is testing in both languages?

500

This milestone marks the beginning of syntax and morphology, and is a diagnostic criteria for late language emergence at 24 months of age

What is 50 words expressive vocabulary?
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