"The Education Department of Western Australia would like to pay
tribute to ACER [Australian Council for Educational Research] for
conducting such a rigorous and meticulous investigation into the
validity of the [First Steps] Developmental Continua. It should be
placed on record that the analysis of ACER data carried out by the
department substantiated the worth of the research, as it showed
clearly that ambiguities and errors had been clearly identified. This
made it possible to revise and improve the Continua to ensure that as
accurate and sensitive a picture of literacy as possible could be
offered to teachers."
from an Executive Summary prepared by the Ministry of Education, Western Australia, 1994.
"I would like to pay tribute to ACER... The aspect of the work that
impressed me most profoundly was the presentation and analysis of the
data. I examined the [ACER] report in order to identify every
indicator shown to aberrant. In each case I was able to pinpoint a
logical and common-sense reason why the indicator in question had
caused problems and needed attention. This seems to be an incredibly
convincing testimony to the worth of the research."
Alison Dewsbury, Manager, First Steps Consultancy Unit, Education Department of Western Australia, in a letter to Geoff Masters, ACER.
ACER Research. Rasch Measurement Transactions, 1994, 8:2 p.364
|Rasch Measurement Transactions (free, online)||Rasch Measurement research papers (free, online)||Probabilistic Models for Some Intelligence and Attainment Tests, Georg Rasch||Applying the Rasch Model 3rd. Ed., Bond & Fox||Best Test Design, Wright & Stone|
|Rating Scale Analysis, Wright & Masters||Introduction to Rasch Measurement, E. Smith & R. Smith||Introduction to Many-Facet Rasch Measurement, Thomas Eckes||Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences, George Engelhard, Jr.||Statistical Analyses for Language Testers, Rita Green|
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