| Scale-package | Likert Type Questionnaire Item Analysis |
| ChooseBest | Select Items from Item Analysis. |
| Depression98 | Depression Data Set |
| GetScores | Extract Participant Scores from Item Analysis Object |
| ItemAnalysis | Reliability and Validity Analysis |
| PreProc | PreProc Prepare Scale Data for Analysis |
| print.ItemAnalysis | Print Output from Item Analysis to Screen |
| print.reliability | Print Out Summary of Reliability Analysis |
| print.validity | Print Out Summary of Validity Analysis |
| ReadItems | Read Item Statwmwnts from File |
| ReportTable | Summarize Item Analysis into Table |
| Scale | Define Data Set, Reverse Items and Alternate Orders |
| ScaleData | Define Data Set, Reverse Items and Alternate Orders |
| ShowItems | Show Content of Empirically Elected Items. |