CHILDES SYSTEM OVERVIEW BASIC 1 What is CHILDES
CHILDES SYSTEM OVERVIEW - BASIC -
1. What is CHILDES? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Child Sy ste m e ng D a h ata Exc Language
CHIld Language Data Exchange System Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
2. Why we need CHILDES? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Because…. . You want to study what I say You want to investigate languages (Photo source: http: //www. flickr. com/photos/klapow/203398273/)
CHILDES provides Tools for studying conversational interactions
3. Who started CHILDES? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Found in 1984 Concord MA Department of Psychology, Carnegie Mellon University
The team Director Brian Mac. Whinney Contact Programmers macw@cmu. edu Leonid Spektor Franklin Chen
4, 500 members
130 corpora
1, 500 published articles
4. Why we need a lot of data with CHILDES? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
We needs LOTS of DATA. WHY? Universals and Differences Photo source: http: //www. flickr. com/photos/alvy/69385239/
5. Where is CHILDES? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
visit CHILDES website at http: //childes. psy. cmu. edu
6. How can I get the latest info of CHILDES? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Subscribe to the CHILDES Mailing Lists now!
7. What are the tools provided by CHILDES? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
The CHILDES system provides tools for studying conversational interactions, including Transcript database Methods for linguistic coding Programs for transcript analysis Systems for audio and video linking
8. What related software do I need? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
BEFORE installing, you should have Quicktime player Adobe reader Winzip Unicode fonts: Arial Fixed. Sys To read the media files To view the Manual To unzip the corpus To display the characters
Download unicode fonts - STEP ONE
Download unicode fonts - STEP TWO
Download unicode fonts - STEP THREE
9. Where is the CHILDES program? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
The program available at CHILDES is called CLAN
Download CLAN
4 versions are available Clan. X + Clan. Xu Clan. Win Unix. Clan versions No longer supported
9. I want to install CLAN to my Windows. HOW ? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Getting Started @ Windows updated frequently download new version Download CLAN at ” Program and Database ” Section. (Photo Source : http: //www. flickr. com/photos/tanaka/49602421)
After Download Double click the *. exe file downloaded and follow the instructions given by Install. Shield (Photo Source : http: //www. flickr. com/photos/tanaka/49602421)
10. I have CLAN now. What should I do? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Download the Manual for details CHAT Transcript System: How to record the conversation in a standard format at CHILDES. CLAN Program Manual: How to use the CLAN program
11. I just want to study the available language database. How? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Click Database to download the Corpus from around the world
TWO ways to view the data View the corpus using Web. Data 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.
Local Transcripts Download the audio and video files here and place them in the same folder of the transcripts. . Download the bilingual corpus here.
e. g. Download Yip. Matthews bilingual corpus 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.
Unzip the corpus files Unzip the downloaded corpus by right click the mouse >> extract here (Photo Source : http: //www. flickr. com/photos/tanaka/49602421)
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)
This is a transcript in CHAT format (*. cha file)
Zoom inside a transcript FAT=Father, he is saying “what’s bear doing? ” CHI=children, saying “writing a letter, letter” %mor=morphological tier, list parts of speech “n” is NOUN, “PL” is plural, so “friends” is a plural noun
Download the Manual for more
12. How can I read transcripts together with audio & video files? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
Playback with audio file 1. Put the corresponding audio and *. cha files in the same folder 4. Either use Esc+8 OR Click Mode >> Continuous playback (Photo Source : http: //www. flickr. com/photos/tanaka/49602421) 2. Open the CHA file Click Mode >>Sonic Mode>>Locate the audio file. 3. Audio Wave of the sound file will pop up inside the CLAN window.
Playback with video file 1. Put corresponding video files and *. cha files in the same folder 4. Either use Esc+8 OR Click Mode >> Continuous playback (Photo Source : http: //www. flickr. com/photos/tanaka/49602421) 2. Open the CHA file Click Mode >>Sonic Mode>>Locate the video file. 3. Video Player will pop up inside the CLAN window.
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
Command window 1. Click Window >> Commands Or Ctrl+D 2. Type the Command here
basically composed of 3 subparts Basic structure of the Commands freq +t*CHI mlu +t*MOT Command Name Tier(s) (started with +t ) 0042. cha Target file name) (ended with. cha or. cex )
14. Can you introduce me some useful COMMANDS? Photo source: http: //www. sxc. hu/photo/740583 ; royal free under usage option
A. MLU stands for Mean Length Utterance The ratio of morphemes over utterances
1. Click “WORKING” Locate the files/folder here by clicking SELECT DIRECTORY 2. TYPE 3. Click “RUN” mlu +t*CHI *. cha
B. FREQ stands for Frequency Count numbers of words used in selected files + Calculate the type– token ratio (a measure of lexical diversity)
1. Click “WORKING” Locate the files/folder here by clicking SELECT DIRECTORY 2. TYPE 3. Click “RUN” freq +t*CHI (filename). cha
C. Kwal is for Keyword and Line searching Search data for user-specified words + Output those keywords in context.
1. Click “WORKING”. Locate the files/folder here by clicking SELECT DIRECTORY 2. TYPE kwal +t*CHI +t%mor +s”but” (filename). cha You want to search the file with the word “BUT” 3. Click “RUN”
D. Combo is used for Combination search A powerful program that searches the data for specified combinations of words or character strings.
1. Click “WORKING” Locate the files/folder here by clicking SELECT DIRECTORY 2. TYPE combo +t*CHI +s”what^is” (filename). cha You want to search file with the word “what”+”is” 3. Click “RUN”
For more information on commands details example combo +t*MOT +s"kitty^kitty" 0042. cha kwal +sbunny -w 2 +w 2 0042. cha +s “xx^xx” - search for specific combinations of words OR character strings -w* and +w* options for number of text lines included before and after the search words.
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
YES!!! http: //childes. psy. cmu. edu
This is the Work Flow CHILD/INFORMANT record Sound / Video data transcribe TEXT RUN CHECK @ CLAN link “Esc-L” CLAN sound+video+transcript corpus digitalized audio/video files in computer
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
Visit http: //childes. psy. cmu. edu CHILDES SYSTEM OVERVIEW - ADVANCE - Coming soon!
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 Mac. Whinney, Virginia Yip, Stephen Matthew Contact me at utalam@hotmail. com April 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.
- Slides: 70