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CHILDES SYSTEM OVERVIEW - BASIC -. 1. What is CHILDES?. Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option. Child. System. Exchange. Data. Language. CHI ld L anguage D ata E xchange S ystem.

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Presentation Transcript
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1.

What is CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide5

Child

System

Exchange

Data

Language

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CHIldLanguageDataExchangeSystem

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide7

2.

Why we need CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

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Because…..

You want to study what I say You want to investigate languages

(Photo source: http://www.flickr.com/photos/klapow/203398273/)

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CHILDES provides

Tools for studying

conversational interactions

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3.

Who started CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

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Found in 1984

Concord MA

Department of Psychology,Carnegie Mellon University

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The team

Contact

[email protected]

ProgrammersLeonid Spektor Franklin Chen

DirectorBrian MacWhinney

members
members

4,500

corpora
corpora

130

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4.

Why we need a lot of data with CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

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We needs

LOTS of DATA.

WHY?

Universals

and

Differences

Photo source: http://www.flickr.com/photos/alvy/69385239/

Photo source: http://www.flickr.com/photos/alvy/69385239/

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5.

Where is CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

http childes psy cmu edu
http://childes.psy.cmu.edu

visit CHILDES website at

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6.

How can I get the latest info of CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

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7.

What are the tools provided by CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide24

The CHILDES system provides tools for studying conversational interactions, including

Programs for transcript analysis

Transcript database

Methods for linguistic coding

Systems for audio and video linking

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8.

What related

software do I need?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

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Quicktime player

Adobereader

Unicode fonts: Arial FixedSys

Winzip

BEFORE installing, you should have

To read the media files

To view the Manual

To unzip the corpus

To display the characters

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9.

Where is the CHILDES program?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide33

ClanX + ClanXu

UnixClan

ClanWin

4 versions are available

 versions  No longer supported

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9.

I want to install CLAN to my Windows. HOW ?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide35

updated frequently

download new version

Download CLAN at ” Program and Database ” Section.

Getting Started @ Windows

(Photo Source : http://www.flickr.com/photos/tanaka/49602421)

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Double click the *.exe file downloaded and follow the instructions given by InstallShield

After Download

(Photo Source : http://www.flickr.com/photos/tanaka/49602421)

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10.

I have CLAN now. What should I do?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide38

CHAT Transcript System:How to record the conversation in a standard format at CHILDES.

CLAN Program Manual:How to use the CLAN program

Download the Manual for details

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11.

I just want to study the available language database.How?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

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View the corpus using WebData

You can download the corpus and run the transcript in your local machine in this page.

1. Unzip the corpus into folders

2. Use CLAN program to open the *.CHA files.

TWO ways to view the data

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Download the audio and video files here and place them in the same folder of the transcripts..

Download the bilingual corpus here.

Local Transcripts

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On Window, right

click the mouse >> save target as >> choose the directory for this zip file. On Mac, click the link and it will save automatically.

e.g. Download YipMatthews bilingual corpus

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Unzip the downloaded corpus by right click the mouse >> extract here

Unzip the corpus files

(Photo Source : http://www.flickr.com/photos/tanaka/49602421)

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Unzip the corpus files

1. After extraction, folders, which contains *.cha under names of children being investigated, will place inside a folder.

2. Each folder contains *.cha files, which are transcripts of the bilingual children.

(Photo Source : http://www.flickr.com/photos/tanaka/49602421)

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%mor=morphological tier, list parts of speech

“n” is NOUN, “PL” is plural, so “friends” is a plural noun

FAT=Father, he is saying “what’s bear doing?”

CHI=children, saying “writing a letter, letter”

Zoom inside a transcript

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12.

How can I read transcripts together with audio & video files?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

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2. Open the CHA file Click Mode >>Sonic Mode>>Locate the audio file.

1. Put the corresponding audio and *.cha files in the same folder

4. Either use Esc+8 OR

Click Mode >> Continuous playback

3. Audio Wave of the sound file will pop up inside the CLAN window.

Playback with audio file

(Photo Source : http://www.flickr.com/photos/tanaka/49602421)

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2. Open the CHA file Click Mode >>Sonic Mode>>Locate the video file.

1. Put corresponding video files and *.cha files in the same folder

3. Video Player will pop up inside the CLAN window.

4. Either use Esc+8 OR

Click Mode >> Continuous playback

Playback with video file

(Photo Source : http://www.flickr.com/photos/tanaka/49602421)

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13.

I want to search words/ language structure from various corpus for research. HOW?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide53

1. Click Window >> Commands

Or Ctrl+D

2. Type the Command here

Command window

slide54

basically composed of 3 subparts

Target file name)

(ended with .cha or .cex )

Command Name

Basic structure of the Commands

freq +t*CHI 0042.cha

mlu +t*MOT 0042.cha

Tier(s)

(started with +t )

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14.

Can you introduce me some useful COMMANDS?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

slide56

A. MLU

stands for

Mean Length Utterance

The ratio of morphemes over utterances

mlu t chi cha
mlu +t*CHI *.cha

1. Click “WORKING” Locate the files/folder here by clicking SELECT DIRECTORY

2. TYPE

3. Click “RUN”

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B. FREQ

stands for

Frequency

Count numbers of words used in selected files+Calculate the type– token ratio (a measure of lexical diversity)

freq t chi filename cha
freq +t*CHI (filename).cha

1. Click “WORKING” Locate the files/folder here by clicking SELECT DIRECTORY

2. TYPE

3. Click “RUN”

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C. Kwal

is for

Keyword and Line searching

Search data for user-specified words +Output those keywords in context.

kwal t chi t mor s but filename cha

You want to search the file with the word “BUT”

kwal +t*CHI +t%mor +s”but” (filename).cha

1. Click “WORKING”. Locate the files/folder here by clicking SELECT DIRECTORY

2. TYPE

3. Click “RUN”

slide62

D. Combo

is used for

Combination search

A powerful program that searches the data for specified combinations of words or character strings.

combo t chi s what is filename cha

You want to search file with the word “what”+”is”

combo +t*CHI +s”what^is” (filename).cha

1. Click “WORKING” Locate the files/folder here by clicking SELECT DIRECTORY

2. TYPE

3. Click “RUN”

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example

+s “xx^xx” - search for specific combinations of words OR character strings

  • combo +t*MOT +s"kitty^kitty" 0042.cha
  • kwal +sbunny -w2 +w2 0042.cha

-w* and +w* options for number of text lines included before and after the search words.

For more information on commands

details

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15.

WOW! Can I create a language corpus for my own kids with CHILDES?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

this is the work flow

digitalized

audio/video files in computer

This is the Work Flow

CHILD/INFORMANT

record

Sound / Video data

transcribe

TEXT

RUNCHECK @ CLAN

link

“Esc-L”

CLAN

sound+video+transcript  corpus

slide68

16.

What about the details? e.g. how to record data, digitalize the sounds & video?

Photo source: http://www.sxc.hu/photo/740583 ; royal free under usage option

http childes psy cmu edu69
http://childes.psy.cmu.edu

Visit

CHILDES SYSTEM OVERVIEW- ADVANCE -

Coming soon!

slide70

This introduction was produced by

Uta Lam using materials derived from

the CHILDES website

AND

the Bilingual Child Language Corpus

contributed to CHILDES by

Virginia Yip (Chinese University of Hong Kong)

and Stephen Matthews (University of Hong Kong).

Special Thanks to

Brian MacWhinney, Virginia Yip, Stephen Matthew

Contact me at [email protected] 2007

I disclaim any responsibility in regards with photos, contents displayed and links provided by this slides. At time of review, they were deemed valuable either for this slides or content. Upon your visit – this slide or its content may have changed or be unavailable.

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