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speech  files  were  categorized  and  %snd:  <tab>- “The duration line. This
        labeled with their roll number. A total  line indicates the start and end of
        of  15  audio  files  were  segregated  (1  the  utterance  in  that  AS-  unit.”  (Bui  &
        each participant)  and  were stored in  Skehan, 2016, p. 4)
        folders according to the participants roll   %ID:  <tab> -  “The main  working  line.
        numbers. Later the oral speech of each   This  line  includes  all  dysfluencies  and
        of the participants was transcribed into   pauses in the actual speech recorded,
        plain texts.
                                                and syntactic marking.” (Bui & Skehan,
        ii)    Transcription                    2016,  p. 4)  The main working line is
                                                coded using the CHAT format.
        The  next  stage  was  the  transcription
        of the spoken data using the CHAT  The second line which is an automatically
        (Codes   for   Human     Analysis  of   generated one will be explained in the
        Transcripts)  (MacWhinney,  2000).  The  next section.
        CALF system requires the spoken data    iii)   Coding
        to be transcribed in the CHAT format
        to  process  the  input  in  an  efficient   The main  line  is  coded  for  fluency
        manner. Brian MacWhinney (2000)         (including  repairs,  fillers,  pseudo  filled
        developed  a  specific  transcription   pauses, timing), complexity, accuracy
        format for transcribing child’s  talk   and lexis following  the user manual
        which  was one the two components       provided by Bui and Gavin (2016).  The
        of the CHILDES  project which  aimed    coded  transcription  (*ID,  %snd, %ID in
        to develop tools for analyzing talk. The   the AS-unit tiers) is then uploaded in the
        CHAT system prescribes a set of coding   CLAN software to obtain the %mor. The
        features which  facilitates the  analysis   second line in the four block tier is %mor
        of  data  using  the  CLAN  software. The   and  is generated automatically by  the
        three main components of the CHAT       CLAN software when  the transcription
        format  are  the  file  headers,  the  main   is run on CLAN with the command (see
        tiers and the dependent  tiers. The     Appendix  A). The %mor line produces
        headers give important information      the  part-of-speech  (POS)  to each and
        of the transcribed data namely the      every word in the transcription from the
        participants, the  setting,  the  time   pruned  line.   Since  it is automatically
        and  the  details  of  the  coder and  the   generated, the authors advise the POS
        participants.  The  header  files  are   tagging needs to be manually checked
        followed by the four block tiers where   for ensuring accuracy in the result.
        the students’ speech is transcribed into   iv)  Output
        individual  AS-unit  tiers. The three tier
        block for single utterances is          The final stage in the analysis is to drop
                                                the  completed  CLAN  (txtin.cha)  file  in
        *ID:   <tab>-   “The   pruned    line.  the CALF system. The system produces
        Utterance   transcribed  into  words    a range of  results under  Complexity,
        without  dysfluencies  or  pauses  or  any   Accuracy, Lexis and Fluency. The output
        grammatical  marking.”  (Bui  &  Skehan,   from  the  CALF  tool  is  derived  in  five
        2016, p. 4)                             sections  (see  Appendix  B).  The  first


         244                                        Indian Journal of Educational Technology
                                                              Volume 3, Issue 2, July 2021
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