The validity of the Kinesthetic Aftereffect (KAE)
as a measure of personality has been criticized because
of KAE’s poor test-retest reliability. However.
systematic bias effects render KAE retest sessions
invalid and make test-retest reliability an inappropriate
measure of KAE’s true reliability. Internal
consistency calculations, a better estimate of KAE’s
true reliability, have been flawed in the past. New
analyses of internal consistency data from 10 samples
using 2 different KAE procedures are presented.
Internal consistency of KAE scores was found
to be high (median .89 for 5 samples with Petrie’s
procedure and median .59 for 5 samples with
Weintraub’s procedure). Some increment in reliability
can apparently be obtained by extending the
number of trials in the Weintraub procedure.