duration measure in EVAL

[Mara Steinberg Lowe]

I am using EVAL to analyze picture description samples and would like to calculate the words/min for each participant. I see that this is a variable that is provided in the output, but am unsure of how the duration measure is calculated.  Does EVAL calculate the duration of only the target utterances (e.g., for the Participant, but not the interviewer) when the utterances are linked to the transcript? If yes, is a sound bullet needed for every utterance and what happens if there is not a sound bullet for each utterance? If no, is there another way to easily extract the duration for only one speakers utterances? 

Thank you!

~Mara

[spektor]

Mara,

I assume your are asking about KIDEVAL. EVAL does not compute word/time ratio. The total time is computed only for a speaker indicated with +t option. All time durations for each bullet associated only with the target speaker are added together. Total time only includes time spent by target speaker speaking. The silence time between utterances of target speaker is not counted. The bullets are needed to compute total time. If some spoken utterances do not have bullets, then results will be skewed. There is not easier way in CLAN to extract time duration for utterance, than adding bullet to it.

Leonid.

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[Mara Steinberg Lowe]

Thank you Leonid. I am using EVAL and getting a column in the output file labeled "Words/Min." Should I be getting this?  

~Mara

[spektor]

Mara,

You are right EVAL does perform "Words/Min" calculations. And the same rules apply as do for KIDEVAL.

Leonid.

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