CSD 115 1st EditionLecture 14Outline of Last Lecture I. Linguistic Development Age 2 (25-36 months)a. Speech SoundsII. Semantic Developmenta. Ageb. Vocabularyc. Fast Mappingd. Overextensione. UnderextensionIII. Syntax and Morphological Developmenta. Ageb. Morphemesc. Mean Length UtteranceIV. 14 Grammatical MorphemesOutline of Current Lecture I. Mean Length Utterancea. ExamplesII. Pragmatic Developmenta. Dore’s Conversational ActsIII. Preliteracy DevelopmentIV. Linguistic Development- PreschoolV. Semantic Developmenta. Receptive vocabularyb. Expressive vocabularyc. Different categories of wordsVI. Syntax and Morphological DevelopmentVII. Pragmatic DevelopmentVIII. Preliteracy Skillsa. Phonological awareness skillsCurrent LectureMean Length Utterance- Example 1o Baby Cry! 2 morphemeso No cry, baby! 3 morphemeso Mommy come. 2 morphemesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o Mommy come home. 3 morphemeso See baby? 2 morphemeso Total Morphemes = 12 morphemeso Total Utterances = 5 utteranceso MLU = 2.4o (All are free morphemes- or free standing morphemes)- Example 2o The baby is crying! 5 morphemeso Don’t cry baby! 4 morphemeso Mommy is coming. 4 morphemeso Mommy’s coming home soon6 morphemeso See baby, mommy’s home 5 morphemeso Total Morphemes = 24 morphemeso Total Utterances = 5 utteranceso MLU = 4.8o (there are 18 free morphemes and 6 bound morphemes)o Bound morphemes are adding something to the end of the word to change the meaning of the word (ex. Mommy’s – that is 2 morphemes; don’t- that is 2 morphemes also, etc.)Pragmatic Development- 25-36 months (age 2)- Increased vocabulary and use of sentences allow for more advanced means of expressing needs and wants- Dore’s Conversational Actso Request (action or object)o Response to request (answering questions/compliance with commands)o Description (not just naming but describing)o Statement (facts, rules, feelings, beliefs)o Acknowledgement (of someone else’s utterance)o Organizational devices (begin or ending conversations)o Performatives (utterances that perform a particular function like: complaining, teasing, joking, warning) Preliteracy Development- Age 25-36 months- Child becomes more active in book reading- Points to pictures- Labels things- Asks questions about pictures- Focused on pictures/not yet aware of text or its valueLinguistic Development- Preschool; 3-5 years- Growth explodes in all areas of language:- Semantics- Syntax & morphology- Pragmatics- Preliteracy Semantic Development- 3-5 years- Receptive Vocabularyo By age 5 = 3000 words- Expressive vocabularyo By age 5 = 2000 words- Adding different categories of wordso Nounso Verbso Adjectiveso Adverbso Prepositionso Pronouns o Articles o Negativeso Wh-words Syntax and Morphological Development- 3-5 years- Learns to produce:o Compound sentences by using conjunctions (and, but, if) o Complex sentences by imbedding phrases within sentences o Complex verb forms which allow child to talk about past, present & future- Sentence structure is adult-like; mostly error freePragmatic Development- 3-5 years old- Like adults, child is able to use language to accomplish almost any purpose- Able to carry on extended conversations with adults or peers- Appropriately:o Initiates conversationso takes turnso Maintains & changes topicso Ends conversationso Changes tone; code shifts from peers to adults Preliteracy Skills- Phonological Awareness Skills - Awareness of how phonemes – syllables - words – sentences are connected- Consist of:o Rhyming skillso Syllabicationo Letter-sound correspondenceo Beginning soundso Manipulation of soundso Notices and is interested in text (pretends to read)o “Reads” favorite labels and commonly recognized
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