\contentsline {section}{\numberline {1}Overview of this and related documents}{2}{section.1}
\contentsline {subsection}{\numberline {1.1}$omega_h$ as an estimate of the general factor saturation of a test}{2}{subsection.1.1}
\contentsline {subsection}{\numberline {1.2}Install R for the first time}{4}{subsection.1.2}
\contentsline {subsubsection}{\numberline {1.2.1}Install R }{5}{subsubsection.1.2.1}
\contentsline {subsubsection}{\numberline {1.2.2}Install relevant packages}{5}{subsubsection.1.2.2}
\contentsline {paragraph}{Install the minimum set}{5}{section*.2}
\contentsline {paragraph}{Install a few more packages }{6}{section*.3}
\contentsline {paragraph}{Install a ``task view" to get lots of packages}{6}{section*.4}
\contentsline {paragraph}{Make the {\textit {psych}} package active.}{6}{section*.5}
\contentsline {section}{\numberline {2}Reading in the data for analysis}{6}{section.2}
\contentsline {subsection}{\numberline {2.1}Find a file and read from it}{6}{subsection.2.1}
\contentsline {subsection}{\numberline {2.2}Copy the data from another program using the copy and paste commands of your operating system}{7}{subsection.2.2}
\contentsline {subsection}{\numberline {2.3}Import from an SPSS or SAS file}{8}{subsection.2.3}
\contentsline {section}{\numberline {3}Some simple descriptive statistics before you start}{9}{section.3}
\contentsline {section}{\numberline {4}Using the {\texttt {omega}} function to find $\omega $}{9}{section.4}
\contentsline {subsection}{\numberline {4.1}Background on the $\omega $ statistics}{10}{subsection.4.1}
\contentsline {subsection}{\numberline {4.2}Yet another alternative: Coefficient $\beta $}{12}{subsection.4.2}
\contentsline {subsection}{\numberline {4.3}Using the {\texttt {omega}} function}{12}{subsection.4.3}
\contentsline {subsection}{\numberline {4.4}Estimating $\omega _h$ using Confirmatory Factor Analysis}{13}{subsection.4.4}