The purpose of this study is to determine the effect of social
support and hardiness personality towards parenting stress
among mothers of down-syndrome children in Yogyakarta.
The research hypotheses are I ) There is a negative correlation
between social support and parenting stress among mothers of
down-syndrome children; 2) There is a negative corelation
between hardiness personality and parenting stress among
mothers of down-syndrome children; and 3) There is a
correlation between social supporl and hardiness personality
towards parenting stress among mothers of down-syndrome
children. To collect the data, this research used the adaptation
of the Parenting Stress Index Shorl Form (PSI-SF) scale, the
modification of the International Support Evaluation List
(ISEL) scale, and the adaptation of the hardiness personality
scale developed by Bernardo. The research subjects werc 42
mothers of down-syndrome children living in Yogyakarta. To
analyze the data, it was used product-moment correlation and
multiple regression technique. The results of the study prove
that there is a negative correlation between social support and
parenting stress among mothers of down-syndrome children
with a correlation coefficient of -0.641 and p - 0.000
(p<0.05). There is a negative corelation between hardiness

personality and parenting stress among mothers of down-
syndrorne children rvith a correlation coefficient of -0.561

and p : 0,000 (p<0.05). There is a correlation between social
support and hardiness personality towards parenting stress
among mothers of dor,r,n-syndrome children with a
correlation coeflficient of 18.505 and p : 0.000. The
coefficient of detenniuation (R2) is 0.487 or 48.7%o. meaning
the contribution of social supporl and hardiness persorrality
towards parenting stress. ivhile 51.3% is inf'luenced by other
factors.