data test

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 chanceb. sample size determinationc. power analysisd. principles of...

These notes are a summary of teaching notes used related to the preparation of data so that maximal interpretation can be made. Topics covered include:1. checking for accuracy, response sets, and validity of entries in data sets2. detecting and dealing with missing values with the expectation maximisation procedure3. identifying and dealing with outliers...