SPSS is an acronym that stands for Statistical Package for the Social Sciences, although it has since been acquired by other companies and its name changed to match. It remains one of the most widely used statistical software packages today.

IBM SPSS Amos

Amos refers specifically to IBM's (formerly SPSS Inc.) Structural Equation Modeling component within their larger suite of data analysis tools. As part of this comprehensive offering, users can perform advanced modeling techniques beyond those offered by more basic statistics programs like Excel or SAS/STAT.

The user guide provided with each version details all features and functions available in that particular release, including any new capabilities compared to previous versions. For instance, IBM SPSS Amos 24 User’s Guide covers everything you need to know about using this powerful tool for structural equation modeling within your own research projects - from importing data through interpreting results.

IBM SPSS Base

In contrast, the base version of SPSS provides a more fundamental set of statistical procedures without some of the advanced features found in specialized modules like Amos or SAS/STAT. This entry-level offering still offers extensive capabilities for exploratory and descriptive statistics as well as basic inferential tests such as t-tests and ANOVA.

In summary, IBM's (formerly SPSS Inc.) suite of data analysis tools remains an essential toolset for any serious researcher looking to extract meaning from complex datasets - whether you're a seasoned statistician or just starting out with statistical modeling techniques.

Spss 23 user guide