T-TEST
T-TEST
is available in the Statistics Base Edition.
T-TEST
compares sample means by calculating Student’s t and displays the
two-tailed probability of the difference between the means. Statistics are available for one-sample
(tested against a specified value), independent samples (different groups of cases), or paired
samples (different variables).
One-sample tests
T-TEST TESTVAL n /VARIABLE=varlist
Independent-samples tests
T-TEST GROUPS=varname ({1,2** }) /VARIABLES=varlist
{value }
{value,value}
**Default if the subcommand is omitted.
Paired-samples tests
T-TEST PAIRS=varlist [WITH varlist [(PAIRED)]] [/varlist ...]
[/ES
[ DISPLAY({TRUE**} {FALSE}) ]
[ STANDARDIZER({SD**} {CORRECTED_SD} {AVERAGE}) ] ]
All test types
[/MISSING={ANALYSIS**} [INCLUDE]]
{LISTWISE }
[/CRITERIA=CI({0.95**})
{value }
**Default if the subcommand is omitted.
Syntax for the T-TEST
command can be generated from the One-Sample T Test , Independent-Samples T Test , or Paired-Samples T Test dialog boxes.
Examples
T-TEST GROUPS=WORLD(1,3) /VARIABLES=NTCPRI NTCSAL NTCPUR.
T-TEST PAIRS=TEACHER CONSTRUC MANAGER.
Release History
Release 27.0
- ES subcommand introduced