UT LIN 393P - Hypotheses and where they come from (18 pages)

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Hypotheses and where they come from



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Hypotheses and where they come from

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Lecture Notes


Pages:
18
School:
University of Texas at Austin
Course:
Lin 393p - Topics in Phonology and Phonetics

Unformatted text preview:

Handout 11 Hypotheses and where they come from Hypothesis A hypothesis is a claim that one of the groups being compared in an experiment will have a higher mean than the other The experiment is designed to test this claim But how does one come to have a claim How can one make a claim before one has done the study The literature When you read the literature on some measure you find that generalizations start emerging across studies and across languages In previous handouts for example we have seen various generalizations from the literature on factors that affect f0 height and f0 peak delay We have seen those generalizations also instantiated in the papers we have read for this class Generalizing from the literature If one is looking at the trend in f0 peaks over the course of an utterance we have seen lots of examples where that trend is downward That is well enough attested that if we come to a new language where we don t know what the trend is it is reasonable to try the hypothesis that each peak is lower than the last Generalizing from the literature If one is looking at how f0 timing is affected by how close it is to the end of a phrase we have seen plenty of cases where the peak is earlier at the end of a phrase than it is earlier in the phrase This makes it reasonable to start with the assumption that the same will hold of the case we re looking at a case that isn t in the literature If the case we are looking at is in the literature there would be no point in investigating it Existing transcriptions Even if no systematic experimental studies have been done of our language it is likely that someone has transcribed it and made generalizations on the basis of the transcription If the transcriber is competent there is likely to be some degree of realism to these generalizations What do they say about how the groups in question differ Preliminary goofing around Another source of hypotheses is preliminary nonsystematic observation of relevant data We record two



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