RELIABILITY

RELIABILITY is available in Statistics Base Edition.

RELIABILITY estimates reliability statistics for the components of multiple-item additive scales.

RELIABILITY VARIABLES={varlist}
                      {ALL    }

 [/SCALE(scalename)=varlist ]

 [/MODEL={ALPHA         }] 
         {OMEGA         }
         {SPLIT[(n)]    }
         {GUTTMAN       }
         {PARALLEL      }
         {STRICTPARALLEL}

 [/STATISTICS=[DESCRIPTIVE]   [SCALE]      [{ANOVA         }] [ALL] ]
              [COVARIANCES]   [TUKEY]       {ANOVA FRIEDMAN}
              [CORRELATIONS]  [HOTELLING]   {ANOVA COCHRAN }

 [/SUMMARY=[MEANS] [VARIANCE] [COV] [CORR] [TOTAL] [ALL] ]

 [/ICC=[{MODEL(ONEWAY)                             }] 
        {[MODEL({MIXED**})] [TYPE({CONSISTENCY**})]}
                {RANDOM }         {ABSOLUTE     }       
         [CIN={95**}] [TESTVAL={0**}]]
              {n   }           {p  }

 [/METHOD=COVARIANCE]

 [/MISSING={EXCLUDE**}] 
           {INCLUDE  }

 [/MATRIX =[IN({*                  })] [OUT({*                  })] [NOPRINT]]
               {'savfile'|'dataset'}        {'savfile'|'dataset'}

**Default if the subcommand or keyword is omitted.

This command reads the active dataset and causes execution of any pending commands. See the topic Command Order for more information.

Syntax for the RELIABILITY command can be generated from the Reliability Analysis dialog box.

Release History

Release 17.0

• Increased limits on numbers of variables allowed on the VARIABLES and SCALE lists.

Example

RELIABILITY  VARIABLES=SCORE1 TO SCORE10
  /SCALE (OVERALL) = ALL
  /MODEL = ALPHA
  /SUMMARY = MEANS TOTAL.