The derivation table is provided as an Excel spreadsheet, and there are syntax files for use in SPSS.Derivation Material for the Full Method
Derivation Material for the Simplified Method
- Use the matrix for the Full Method and look in the column or row for ‘ess sc’
- A short version of the SPSS syntax file can be used (Appendix 7)
These files are available from the Matrices and Syntax web page.