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CHILDES

Delve into the fascinating realm of child language with CHILDES, a treasure trove of data aiming to uncover universal patterns, individual differences, and cross-cultural comparisons. Discover the power of language acquisition and socialization processes through empirical studies. Get started on this enriching journey today!

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CHILDES

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  1. CHILDES • Child Language Data Exchange System • Founded 1984 in Concord MA • Director: Brian MacWhinney macw@mac.com • Programmers: Leonid Spektor, Franklin Chen • 4500 Members • 130 corpora • 1500 published articles CHILDES

  2. Why study child language? • Special Gift -- Universals • Typology -- Variation • Emergentism -- Processes • Language Disorders -- Differences • Socialization, Literacy • Language Maintenance CHILDES

  3. Universals • Are there basic patterns to babbling? • Are early word orders universal? • Does UG give children a universal set of functional categories? • Is the vocabulary spurt universal? We need LOTS of data CHILDES

  4. Differences • Do children have individual styles? • Gestalt vs. Analytic • Enactive (1S) vs. Depictive (3S) • Do children respond differentially to parental recasts? • Do children vary in their match to cue validity? Again, we need LOTS of data. CHILDES

  5. Comparisons • How should we match SLI children to normal controls -- MLU? Morphology, TTR • How should we compare language socialization processes across social classes? Between cultures? • How should we compare the course of development across languages? The case of Romance. CHILDES

  6. Getting Set Up Connect to http://childes.psy.cmu.edu CHILDES

  7. Ground Rules • Ethical use, informed consent • Levels of permission • Respect for dignity of participants • Respect for contributors • Requirement to cite sources • Requirement to contribute data CHILDES

  8. Info-CHILDES and Membership • Subscribe to kelley.sacco@cmu.edu • Archived at LinguistList • Info-CHIBolts for nuts and bolts • Membership list • IASCL Membership CHILDES

  9. Why no handout? “Overviews” link has this PPT presentation CHILDES is now fully electronic. No more paper. CHILDES

  10. Assumed computer platform • A “modern” XML browser, IE5, Navigator 7, Safari, Firefox • QuickTime and Flash • Acrobat Reader • Zip • Unicode fonts • PPT CHILDES

  11. Getting Set Up • Download CLAN from Programs link CHILDES

  12. Which version of CLAN? • Windows 98 - clanwin.exe • Windows 2000/XP - clanwinu.exe • OSX - CLANX • Grab Arial Unicode while you are here too CHILDES

  13. Installing • Mac • Trash old version • Unstuff and drag new version anywhere • Windows • Add/remove programs to remove old versions • Autoinstall to c:\childes\clan CHILDES

  14. Windows issues • You can work in c:\childes • But your administrator may have this locked. • So, you may need shortcuts. • Windows IPA is difficult. CHILDES

  15. Downloading Manuals CHAT, CLAN CHILDES

  16. Getting Started • Open CLAN Manual to Chapter 2 • Double-click application • Control-D to open Commands Window • Set Working Directory to c:\childes\clan\lib\samples CHILDES

  17. Should look like this: Windows will be c:\childes\clan\lab\samples CHILDES

  18. Run FREQ • Freq sample.cha • Hit RUN or carriage return • In output, does “want” occur 3 times? CHILDES

  19. Interface Features • Help • CLAN • Files In • Recall • Set MOR, Lib, Output directories CHILDES

  20. Files In CHILDES

  21. Building Commands • mlu +t*CHI +f sample.cha • mlu *.cha • Wildcards • File output • *.cha CHILDES

  22. Changing Directories • Set Working to: ne32 combo +t*MOT +s"is^*ing" *.cha • Set Working to: samples kwal +sbunny +w2 -w2 0042.cha • Triple click on output line to go back to source file CHILDES

  23. GEM • Set Working to: Workshop • GEM +s* pau001.cha • Open output, play audio CHILDES

  24. Exercises - Chapter 8 • MLU50 • mlu +t*CHI +z50u +f *.cha • MLU5 • maxwd +t*CHI +g1 +c5 +dl 68.cha | mlu > 68.ml5.cex • TTR • freq +t*CHI +s"*-%%" +f *.cha CHILDES

  25. BatchFile • maxwd +t*CHI +g1 +c5 +dl 14.cha | mlu > 14.ml5.cex • maxwd +t*CHI +g1 +c5 +dl 55.cha | mlu > 55.ml5.cex • maxwd +t*CHI +g1 +c5 +dl 66.cha | mlu > 66.ml5.cex • maxwd +t*CHI +g1 +c5 +dl 68.cha | mlu > 68.ml5.cex • maxwd +t*CHI +g1 +c5 +dl 98.cha | mlu > 98.ml5.cex • Batch batch.cex • Or just run by highlighting in Commands (Windows) CHILDES

  26. Tables CHILDES

  27. The Editor CHILDES

  28. Playing a linked file • Esc-8 • Esc-A • Cont-Click • F5 CHILDES

  29. Linking a File - F5 • Cursor on *FAT • Find file • F5 • Press space for each utterance • Save CHILDES

  30. F5 Tricks • Go back to last good link • Space quickly through contained overlap • If a bullet is missing, cut and paste an old one • For precision, try Sonic Mode CHILDES

  31. Sonic Mode • Esc-0 to start • Highlight area • Shift-click to move edge • Have cursor on line in file • S to insert time marks • Triple click a linked sentence CHILDES

  32. Transcribing • Open new window (Command-N) • Insert headers • @Begin • @Languages: en • @Participants: CHI Target_Child, MOT Mother, FAT Father, ROS Brother • @Date • F5 with space at each utterance • Go back and transcribe each bullet (c-click) • Adjust time marks using Esc-A CHILDES

  33. CHECK • CHECK is the most important CLAN program • Internal: Esc-L • External: check *.cha • External CHECK provides fuller control CHILDES

  34. Options • Backup • Wrapping • Line Numbers • CHECK CHILDES

  35. More Options Line numbers F5 bullets SoundAnalyzer CHILDES

  36. Coder's Editor • Open barry.cha • Esc-0 • Cursor on first line • Open codeshar.cut • %spa • Insert $NIA:AC:IN CHILDES

  37. Coder's Editor Commands • F1 finish current tier and go to the next • Esc-c finish coding current tier • Esc-t restrict coding to a particular speaker • Esc-Esc go on to the next speaker • Esc-s rotate subcodes • Control-g cancel illegal command CHILDES

  38. Send to Praat Open Praat, Click before link, Send to Praat, Run Analysis CHILDES

  39. Learning to Digitize CHILDES

  40. IPA- IPAKeys - Mac CHILDES

  41. IPA- KeyMan/SIL-Windows CHILDES

  42. Searching, Replacing • Cont-R, Cont-F • Space, No, !, control-G CHILDES

  43. Fixing Things • CHSTRING • INSERT (inserts @ID headers) • FIXIT • LONGTIER • FIXBULLETS • REN • COMBTIER CHILDES

  44. Tour of English MOR Files • Download a copy • A-rules • C-rules • Sf.cut • Lexicon CHILDES

  45. Running MOR • Set MOR directory • mor +xi (dogs) • mor +xl barry.cha • Open barry.ulx.cex • Fix problems using KWAL • mor *.cha CHILDES

  46. POST • mor barry.cha +1 or else • mor barry.cha and then • ren *.mor.cex *.cha +f • post *.cha +1 CHILDES

  47. CHAT • What is an utterance? • What is a word? • Tour of the CHAT manual CHILDES

  48. Web Browsing of Video CHILDES

  49. Some examples • Forrester • Rollins • Yasmin • Paulo • Brent, MacWhinney • Classroom - JLS CHILDES

  50. Rollins Coding CHILDES

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