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Numbers & Statistics—Damned Lies or Principled Arguments
This presentation was given in 2012 to the Post Graduate Students Association in the Faculty of Education at the University of Auckland. It covers problems of appropriate data preparation and analysis so as to make claims about phenomena. It covers the following topics:
a. the problem of chance
b. sample size determination
c. power analysis
d. principles of measurement
e. correlation interpretation
f. statistical modeling esp. with linear assumptions
g. latent trait theory
h. statistical significance inference, esp. with mean score differences
i. practical significance with effect sizes
