Lautenschlager, G. J. (1989).  ALPHATST: Testing for
      differences in coefficient alpha.  Applied Psychological
      Measurement, 13, 284.  Revised by R. D. Hays

--------------------------------------------------------
INDEPENDENT GROUPS TYPE = 1  N OF GROUPS =  4
NUMBER OF PAIRWISE COMPARISONS =  6  INPUT FILE = alpha.txt

INPUT FORMAT=(F5.3,F3.0,F3.0)

-------- ALPHAS, NUMBER OF ITEMS, SAMPLE SIZE --------
.99  5.  201.
.98  5.  200.
.99  5.  200.
.99  5.  200.
-------------------------------------------------------
  TEST FOR ALPHA COEFFICIENTS

INPUT FILE FOR THIS RUN WAS:  alpha.txt

    NUMBER OF INDEPENDENT GROUPS:    4

          CHI-SQUARED VALUE IS :        1.8623

            df =      3          p <  .59950
-------------------------------------------------------

ALPHA COEFFICIENTS  CHI-SQUARE  PROBABILITY
  .99  .98            2.8513      .08727
  .99  .99            .0000      .30455
  .99  .99            .3638      .55231
  .98  .99            2.8399      .08791
  .98  .99            1.1759      .27771
  .99  .99            .3624      .55304
-------------------------------------------------------