Language sample provided by Professor Bruce Baker, Minspeak Study Day, Portland College, Mansfield, UK, March 2003.
Only a small number of Nouns exist in the top 100 words of any language sample, and nouns are topic specific, that is to say that the same nouns do not occur in every language sample.
However, most of the same pronouns, determiners, adverbs, verbs, prepositions, conjunctions and articles do occur most frequently in every language sample, because these words form the core of everybody’s language.
They are the building blocks of our language, used by all populations across all environments, and without which language cannot be generated, and communication cannot take place.
The nouns: ‘Words’, ‘Liberator’, ‘Strategy’, ‘Speech’, ‘Pathfinder’, ‘Unity’ & ‘Device’ are examples of words that are specific to the context of the interview from which this language sample was collected.
|

Word Usage Analysis Table provided by Professor Bruce Baker, Minspeak
Study Day, Portland College, Mansfield, March 2003 (colours ours). We
added column 5 to show at a glance what portion of each language sample
those few hundred words, that make up the core of our language, represent.
|
CORE VOCABULARY
Typically, the first 50 (most frequently occurring) words will account
for 40%-50% of the total words communicated, even though they account
for only ½% of a 10,000-word vocabulary. One hundred words will
account for approximately 60%, 200 words - 70%, and 400 words - 80%.
(Vanderheiden & Kelso, Comparative analysis of fixed vocabulary
communication acceleration techniques, Augmentative and Alternative
Communication, 4, 1987, p196).
Whose words are in the list above? Were they produced on a communication
aid? Minspeak devices were at least under discussion (indicated by the
words: Device, Liberator, Pathfinder, Speech, Strategy & Unity in
the sample). Were the words chosen from a given array? Were they spelled?
Could the subjects spell? How was the sample data collected? Many modern
devices have the facility for language activity monitoring, and the list
is not dated, so it could be recent.
The description of an early language sample analysis that follows is
from AAC
Language Issues, downloadable from the AAC Research and Resources
section of Prentke
Romich's website:
VOCABULARY USE PATTERNS OF AAC USERS
Re-searchers have collected communication samples, over extended periods
of time, from individuals who are operationally and socially competent
with their AAC systems, and analyzed their word-use patterns. The first
of these studies involved the entire body of words produced on a letter-by-letter
basis over 14 days by five young adults with disabilities who used Canon
Communicators (Beukelman, Yorkston, Poblete, & Naranjo, 1984).
From a composite list that consisted of all words produced by all five
individuals, experimenters identified the 500 most frequently occurring
words. Approximately 80% of the words communicated by the five individuals
were represented by these 500 most frequently occurring words.
VOCABULARY RESOURCES
Rarely does one individual have enough knowledge and experience to select
all the vocabulary items needed by an AAC user in a specific environment.
Rather, it is necessary to obtain this vocabulary information from a
variety of sources. AAC teams have used three sources to identify core
vocabularies for specific individuals:
- word lists based on the vocabulary-use patterns of other successful
AAC system users,
- word lists based on the use patterns of the specific individual,
and
- word lists based on the performance of natural speakers or writers
in similar contexts.
David R. Beukelman & Pat Mirenda, Augmentative and Alternative Communication
Management of Severe Communication Disorders in Children and Adults. Second
Edition, Paul H. Brookes Publishing Co., Baltimore, 1998, pp 32-33.
|