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Where actions meet words :. The paradox of early verb learning. Kathy Hirsh-Pasek Roberta Golinkoff Temple University University of Delaware. With support from many students, graduate and undergraduate, and NSF. Mandy Maguire Beth Hennon Shannon Pruden Meredith Meyer Carolyn Fenter

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Where actions meet words l.jpg

Where actions meet words:

The paradox of early verb learning

Kathy Hirsh-Pasek Roberta Golinkoff

Temple UniversityUniversity of Delaware


With support from many students graduate and undergraduate and nsf l.jpg
With support from many students, graduate and undergraduate, and NSF

Mandy Maguire

Beth Hennon

Shannon Pruden

Meredith Meyer

Carolyn Fenter

Jennifer Sootsman

Rachel Pulverman

Sara Salkind

Khara Pence

Dede Addy

Natalie Hansell


Beginning at the beginning l.jpg
Beginning at the beginning… and NSF

Language- what’s the big deal?

Language can

start wars

ruin marriages

allow a colloquium presentation


Language allows us to label objects l.jpg

Language allows us to label objects….. and NSF

But more importantly….


Language is about relations l.jpg
Language is about relations and NSF

The power of language is not in learning the word “cabbage” and the word “Jim” but in learning how to express relations between these words.

“Jim ate the cabbage”

“The cabbage attacked Jim”

“Jim, don’t sit the babies in the cabbage!”



Verbs form the architectural centerpiece of the sentence l.jpg

Verbs form the architectural centerpiece of the sentence. and NSF

You just can’t learn language without learning verbs!


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In this talk… and NSF

We begin to explore the new frontiers of

verb acquisition by studying how children

learn their first action words.

We will thus use the term “verb” loosely to

refer to action words.

With this caveat in mind…….


We offer a talk in 4 parts l.jpg
We offer a talk in 4 parts: and NSF

  • The Paradox:Verbs are HARD to learn

    • But children have them in their earliest vocabularies

  • Theories of verb learning

  • Building verbs: A developmental account

  • Explaining the paradox: A beginning




  • Slide13 l.jpg


    Slide14 l.jpg


    Slide15 l.jpg

    You might have used verbs like… and NSF

    approach ascend bend climb

    descend go grab hit

    leave lift pull push

    run sit slide stand

    step straighten swing tuck


    Slide16 l.jpg

    The “verb” problem and NSF

    • A verb encodes only part of what is happening in a motion event including (from Talmy, 1985):

      • Manner – the way an action is carried out

      • Path – the trajectory of an action with respect to some reference point


    Slide17 l.jpg

    Cross-Linguistic Differences and NSF

    • Languages differ in terms of the relative frequencies of different types of verbs

      • Path and Motion

        • e.g., Spanish, Turkish, Greek

          • La mujer salió de la casa (corriendo)

            ‘The woman exited the house (running)’

      • Manner and Motion

        • e.g., English, Indonesian, Chinese

          • The woman ran out of the house


    Sliding event l.jpg
    Sliding Event and NSF

    approachascendbendclimb

    descendgograbhit

    leaveliftpullpush

    runsitslidestand

    stepstraightenswingtuck

    PATH

    MANNER


    Slide19 l.jpg

    Gentner (1992, 2001,2003) suggests verbs are harder to learn than nouns because…

    • Verbs more polysemous than nouns

    • e.g., “run” - 53 entries!; “ball” - 2 entries

    • Label relations as compared to perceptual

    • similarity or function

    • Harder to individuate actions than objects and to

    • to form categories of actions than objects

    • ( What is the invariant in “running” when performed by

    • Carl Lewis or your grandmother?)

    • Ephemeral events: not concrete

    • e.g., running vs. cup


    Act ii verbs are really hard l.jpg

    Act II: Verbs are than nouns because…really hard

    A demonstration from Japanese and English


    The rationale l.jpg
    The rationale than nouns because…

    Some have argued that a noun bias is a product of learning English. In Asian, “verb final” languages, children have a higher proportion of verbs in their early vocabularies relative to nouns. Thus, verbs might be as easy to learn as nouns in these languages.

    (Tardiff 1996, Gopnik & Choi)


    Standard scene l.jpg
    Standard Scene than nouns because…

    “見て! Xっている”

    “Look! (She is) X-ing a)”

    a) ‘X-ing’ is a novel verb.


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    Two Test Scenes than nouns because…

    “Xっているのはどっち?”

    “In which (movie) is (she) X-ing?”

    same object, different action

    same action, different object


    The facts l.jpg
    The facts than nouns because…

    • Participants:

      • 41, 3-year-olds (M=3;6)

      • 40, 5-year-olds (M=5.0)

    • Task: Pointing to one of two scenes on video


    Japanese results l.jpg
    Japanese Results than nouns because…


    A replication in english meyer hirsh pasek golinkoff imai haryu l.jpg
    A replication in English than nouns because…(Meyer, Hirsh-Pasek,Golinkoff, Imai, Haryu)

    • Same tapes used in Japanese

    • Same ages: 3 (N=55) and 5 yrs. (N=59)

    • 3 language conditions:

      - Noun (“Find the blick!”)

      - Bare verb (“Blicking!” Where’s blicking?”)

      - Rich syntax: Agent/Obj/Verb (“Where is she blicking?” “Look at her. She is blicking it.”)


    English results l.jpg
    English Results than nouns because…


    Act iii verbs are really really hard l.jpg

    Act III: Verbs are than nouns because…really, really hard

    So we simplified the design.

    Asked children to learn and extend only one novel action, no novel object present.

    And they still couldn’t do it by age 3 years


    Slide29 l.jpg

    THE BOTTOM LINE? than nouns because…

    We got a headache!

    PARADOX


    The paradox l.jpg
    THE PARADOX: than nouns because…

    Verbs are really, really, really hard to learn…

    BUT…

    They appear in children’s earliest vocabularies

    * Choi & Bowerman, 1991; Choi, 1998

    * Brown ;Bowerman, deLeon & Choi, 1995

    *Fenson et al., 1994; Tardif, 1996, 1999


    Part ii addressing the paradox l.jpg

    Part II:Addressing the paradox than nouns because…

    Three theories of verb learning


    Three theories l.jpg
    Three theories than nouns because…

    • The “Universal Concepts” theories

    • The “Language-specific” theories

    • The “Hybrid” theories


    Universal concepts theories l.jpg
    Universal Concepts Theories than nouns because…

    Universal

    concepts

    Language

    • PATH

    • MANNER

    • CONTAINMENT

    • CAUSALITY

    maps onto

    concepts

    “The central problem is how do children, from an initially equivalent base, end up controlling often very differently structured languages.”

    Bowerman & Levinson (2001)


    Evidence for universal concepts theories l.jpg
    Evidence for Universal Concepts Theories? than nouns because…

    • Languages around the world draw on the same set of concepts

      (Talmy, Langacker, etc.)

    • Perceptually salient (concrete, individuated) information will

      be coded first.

    • Developmental data: Bowerman (1974) “ He falled it.” and

      Clark (2001) (“y” for inherent properties (he is short) and “ed” for

      temporary (he is tired).


    Language specific theories l.jpg
    Language-Specific Theories than nouns because…

    Language

    Concepts

    • PATH

    • MANNER

    • CONTAINMENT

    • CAUSALITY


    Evidence for language specific theories l.jpg
    Evidence for language-specific theories? than nouns because…

    • Words are invitations to form categories (Brown, Balaban &

      Waxman; Maguire, Hirsh-Pasek, & Golinkoff ).

    • The terms, “pour” vs “spill” invite listeners to find distinctions

      between these concepts.

    • Verbs learned one at a time, then generalized via

      common syntax (Tomasello’s Verb Island Hypothesis).

    • Choi & Bowerman, 1991; Akhtar & Tomasello, 1997); Schlyter, (1990 on

    • bilingual development in French and German);

    • GO used with separate senses (Theakston et al.,2002)


    Hybrid theories l.jpg
    Hybrid theories than nouns because…

    Universal

    concepts

    Language

    input

    Together

    determine

    Verb meaning


    Hybrid theories38 l.jpg
    Hybrid Theories than nouns because…

    • Natural partitions hypothesis (Gentner & Boroditsky’s, 2001; Gentner, 2003): Abstract universal concepts that are easily individuated across multiple instances.

    • Slobin (2001): Both conceptual primitives and language input work jointly in the child’s construction of verb meaning.

    • Gleitman et al, 1991, Fisher et al., 2002; Naigles: Syntax of language critical to “zooming in” on verb meaning.

    • Hirsh-Pasek & Golinkoff (forthcoming), Emergentist Coalition Model: children start with universal perceptual/conceptual foundation using syntactic and social cues to prune language-specific verb meaning.


    The emergent coalition model l.jpg
    The Emergent Coalition Model than nouns because…

    Linguistic and social cues sculpt universal concepts in ways consistent with the native language

    Linguistic

    Universal perceptual/conceptual

    Social

    2nd and 3rd year of life


    Predictions l.jpg
    Predictions than nouns because…

    • Infants should be able to discriminate and categorize universal concepts (e.g., path, manner)

    • When action meets words, children should assume that the word labels the most perceptually salient universal relational concept (e.g., path over manner)

    • Embedding the verb in rich syntax, allows children to map the verb to the action in language-specific ways

    • Attuned to speaker social intent, children should map a verb to an action in language-specific ways (in progress)


    To investigate this we need l.jpg
    To investigate this we need… than nouns because…

    • To find universally available concepts used differently across languages

      • Enter PATH and MANNER

    • To find methodologies that can assess verb comprehension in young children of different ages

      • Enter Habituation, Preferential Looking (IPLP), Preferential Pointing Paradigms (PPP)


    Part 3 building verbs a developmental account l.jpg

    Part 3: Building verbs: than nouns because…A developmental account


    Slide43 l.jpg

    What does it take to learn a verb? than nouns because…

    A 3-pronged approach:


    Slide44 l.jpg

    • Nonlinguistic conceptions of actions in events than nouns because…(finding action; processing actions in ways relevant to language; forming categories of actions.)

    • 2. What happens when action meets word?

    • What does it take for a baby to learn a verb? What factors influence early verb learning?

    • How is children’s verb learning influenced by the syntax of the target language and by an understanding of speaker social intent?


    Nonlinguistic conceptions of action l.jpg

    Nonlinguistic conceptions than nouns because…of action


    Study can infants discriminate proposed universal concepts in nonlinguistic events l.jpg
    Study: Can infants discriminate proposed universal concepts in nonlinguistic events?

    Method: Habituation

    Participants: 18, 7 month-olds : 40, 14-17 months

    Vocabulary for older children:

    Half above mean; half below (on MacArthur)

    Question: Can infants dishabituate to new events that change the MANNER and/or the PATH of an event?

    (Pulverman, Sootsman, Golinkoff & Hirsh-Pasek, 2002)


    Slide47 l.jpg

    Enter Starry in nonlinguistic events?


    The habituation study pulverman l.jpg
    The Habituation study….. in nonlinguistic events?(Pulverman)


    Slide49 l.jpg

    Stimuli in nonlinguistic events?

    9 computer-animated motion events

    3 Manners

    flapping

    spinning

    bending

    3 Paths

    over

    under

    past

    NO LANGUAGE ACCOMPANIED THESE EVENTS


    Slide50 l.jpg

    Procedure and design in nonlinguistic events?

    • Habituated to one of 9 stimulus events

    • Trials ended after 2-second look away or 30 seconds, whichever came first

    • Within subjects design

    • IV= test conditions DV= looking time


    Slide51 l.jpg

    Test Events, an eg. in nonlinguistic events?

    • Control Event (Habituated to )

      • Flapping Over

    • Path Change Event

      • Flapping Under

    • Manner Change Event

      • Spinning Over

    • Both Change Event

      • Bending Past

        (order counterbalanced across children)


    Slide52 l.jpg

    Drumroll Please:Major Findings in nonlinguistic events?

    7 & 14-mo olds discriminate universal action components (MANNER and PATH) in ongoing events.

    2) HIGH VOCABULARY CHILDREN, pay more attention to MANNER changes than PATH changes -- consistent with prominence of MANNER in English.

    -Do all high vocabulary children pay attention to MANNER? OR do children learning Spanish attend to PATH? (Pulverman et al.).


    What happens when actions meet words l.jpg

    What happens when in nonlinguistic events?actions meet words?


    Predictions55 l.jpg
    Predictions in nonlinguistic events?

    • Children should assume that the word labels the most perceptually salient universal relational concept (e.g., PATH over MANNER)

    • A common label should focus attention on language-specific components in this case to MANNER (Gentner)

    • Children who already know some relational terms should be able to use syntactic support to learn novel verbs (Jones & Smith; Slobin)


    Three experiments l.jpg
    Three experiments in nonlinguistic events?

    • Experiment 1: Do 2-year-olds assume a novel verb label refers to the PATH of the action?

    • Experiment 2: Can 2-year-olds use multiple exemplars of events to guide verb learning?

    • Experiment 3: Can 2-year-olds use multiple exemplars and syntactic cues to guide verb learning?


    Study maguire 2003 will infants attach a word to the most salient individuated aspect of an event l.jpg
    Study: in nonlinguistic events?Maguire (2003):Will infants attach a word to the most salient, individuated aspect of an event?

    Method:Preferential Looking to one of two video events

    Participants: Age - 16 children at each of 2 ages (2 & 2.5)

    High ( >95%) and average relational vocabulary (prepositions, verbs, on MacArthur,) 7 high

    relation, 18 average

    Question: Will children take a novel verb as a label for the PATH or MANNER of an event?

    Path = most salient; but

    English tends to label MANNER not PATH



    Design l.jpg
    Design in nonlinguistic events?

    • Introduction: Introduce Starry

    • Salience trials: Test salience of test trials

    • Training: Teach a novel action label

    • Test trials: Does the child take the verb to mean the PATH or the MANNER of the event?


    Slide60 l.jpg

    Design in nonlinguistic events?

    Introduction:

    Meet Starry. Starry is fun!

    Salience:

    Look Starry is blicking! Watch Starry blicking!

    Training:

    Spin over

    Look Starry is blicking! Watch Starry blicking!


    Design cont test trials l.jpg
    Design cont. TEST TRIALS in nonlinguistic events?

    Test trial 1:

    Bend over; spin past

    Where is Starry blicking?

    Test trial 2:

    Where is Starry blicking?

    Test trial 3:

    Mutual exclusivity

    Where is Starry hirshing?

    Test trial 4:

    Recovery

    Where is Starry blicking?


    Results l.jpg
    Results in nonlinguistic events?

    • No age differences

    • Children with more relational words looked significantly longer to the PATH even though English tends to have MANNER verbs

    • English-speaking 5-year-olds and adults all chose MANNER as the referent for “blicking.”


    Study can we make toddlers approach verb learning like english speaking adults l.jpg
    Study: Can we make toddlers approach verb learning like English speaking adults?

    Method: Preferential Looking

    Participants: 30 children, 2 ages (2 and 2.5 years)

    Question:Do multiple instances of same MANNER (spinning) across different PATHS (around, under) bias children to assume that a novel verb labels MANNER?

    NOTE: the only difference in this study is in the training video which now shows 4 different PATHS, one MANNER. The training audio remains, “See, Starry blicking.”


    Results nothing l.jpg
    Results: Nothing! English speaking adults?

    • No age effects

    • No vocabulary effects

      Significance: Seeing multiple instances is not enough to sway young language learners to a MANNER bias for verb meaning



    Study adding rich syntax adding sentences to last study l.jpg
    Study: labeling the MANNER of an event? Adding rich syntax Adding sentences to last study

    Method: Preferential Looking

    Participants: 30 children, 2 ages (2 and 2.5 years)

    Question: Can toddlers use syntax + multiple instances to discern that the verb is labeling MANNER?

    NOTE: The only difference in this and the last study is in the training which now adds syntactic information, “Look, Starry is blicking around (under, past) the ball!”


    Results67 l.jpg
    Results labeling the MANNER of an event?

    • No age effects

    • Large vocabulary effects! The higher relational vocabulary children now assume that the word labels the MANNER.


    Discussion l.jpg
    Discussion: labeling the MANNER of an event?

    • As predicted: Children map verbs onto the most salient universal action concepts (PATH over MANNER, as suggested in the perception studies)

    • What helps English-speaking children move from a reliance on PATH to a language-specific reliance on MANNER? Syntax and/or multiple instances.

      For children with higher relational vocabularies sentences that block the PATH interpretation, yield adult-like performance.


    Musings that need your input l.jpg

    Part 4: Given the data, how do we begin to explain the paradox?Verbs ARE hard to learn(at least in the lab), but children have them in their earliest vocabularies

    Musings that need your input!


    Imagine that verb learning occurs on a developmental continuum gentner 2001 l.jpg
    Imagine that verb learning occurs on a developmental continuum? (Gentner, 2001)

    Perceptually based

    Specific context

    Social intent is clear

    Rich language input

    Extension limited

    Contextually impoverished

    Reduced language input

    Social intent ambiguous

    Extension even metaphorical

    18 mo.

    4 yrs.


    Evidence suggests that early verb learning l.jpg
    Evidence suggests that Early Verb Learning continuum

    • is context bound and used in situations where all the cues for verb usage (perceptual,linguistic, and social) overlap

      • -Behrend, Forbes & Farrar studies - Young verb learners

      • very conservative in their extensions

      • -Tomasello “verb island hypothesis” One verb at a time.

  • This is exemplified in Chinese early verb use.

    Tardiff: Children begin with more focused narrow verbs,

    associated with particular and consistent routines or social contexts

    (e.g., hug, kiss )


  • Later verb learning is of two forms l.jpg
    LATER continuumVerb Learning is of two forms.

    • 2.5 - 3 years - children can learn novel verbs and extend them with syntactic (or perhaps social) support (Maguire, 2003; Fischer, Naigles) BUT only in limited, related contexts (e.g, , you can substitute the agent but not the instrument)

    • 5-7 years - rapid extension to new situations is observed, the meaning of the verb is “lifted” from its originally learned context and become truly relational.


    Why the paradox l.jpg
    Why the paradox? continuum

    • While toddlers look like they have some verbs early, when pressed in laboratory research, their limitations become clear.

    • Only older, late preschool children can represent the abstract relations between language and events. These children are no longer bound to context. E.g., Hammering can even be done without a hammer.


    Slide74 l.jpg
    This raises the question: Why can’t the youngest children learn verbs that are context free? The learning problem is not with…

    • …discriminating or categorizing relations in non-linguistic events (studies by Pulverman et al., Pruden et al.).

    • …forming mappings between language and aspects of the real world -- lots of work with nouns (e.g., Hollich et al.)

    • … or even with recognizing which element in the sentence is the verb (Golinkoff et al., sensitivity to /ing/ 16-18 months)


    Slide75 l.jpg
    Rather, the problem might be that verb learning requires the ability to abstract relations across multiple domains.

    • As Gentner (2003) argued…

      • As similarity comparisons evolve from being perceptual and context bound to becoming increasingly sensitive to common relational structure, children show an increasing capacity to reason at the level of abstract commonalities and rules. (p. 201)


    Slide76 l.jpg
    Verb learning might not be just about verbs, it might be about the ability to reason about relationships.


    Indeed there are suggestive parallels in the mastery of verb learning and in l.jpg
    Indeed, there are suggestive parallels in the mastery of verb learning and in…

    • Number development

      Huttenlocher

    • The development of analogy

      (Ratterman & Gentner, 1998, 2002; Lowenstein & Gentner)

    • Even in relational noun development

      Island (Keil)

      Passenger (Hall &Waxman)


    Slide78 l.jpg
    We don’t want to stretch this too far. Yet, we do want to leave you with some interesting final thoughts…

    Adult-like verb learning is really, really, really, hard for children.

    And it is hard even though, children seem to have the prerequisites that should enable them to use verbs productively

    We believe that part of the problem is that to learn a verb, children have to coordinate information about relations across contexts and domains ( language, social & perceptual)

    And that this coordination across relations might prove a stumbling block in language learning and in other aspects of cognition


    Slide79 l.jpg

    Perhaps Piaget got the picture when he suggested that young children had difficulty dealing with relations prior to age 5.


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