This study aimed to identify the effectiveness of a training program to increase awareness of the mothers of students with disabilities in both the International Rehabilitation Center and children with disabilities and the Welfare Women's Charitable Society (Down syndrome) schools in Riyadh, Saudi Arabia. The study sample consisted of (120) mothers which was divided into a control and experimental groups. The researcher prepared a test of (63) paragraphs and another oral test was also

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... d for specifying the Effectiveness of a training program to increase awareness of the mothers of students with disabilities. The study revealed the validity and reliability at D level; the study concluded the following results: There are no statistical significant differences between the control and experimental groups in the pre-test that both groups are equal, score of mothers in the experimental group on the post-test dimensions is higher than the mean scores of mothers on the pre-test for the post test where mothers have benefited from the program, there is statistical significant in all dimensions of the test taught by between experimental and control groups differences for any advantage of the experimental group that mothers have benefited from the program, there was no statistical significant in all dimensions between the pre-test and taught by differences in the control group, there are no statistical significant differences between the controls and experimental groups for the oral test that is unequal groups, there are significant differences between the oral tests taught by the oral test in the experimental group differences for the benefit of post-test, there are significant differences between the oral tests taught by the oral test in the control group in favor of the post test and there are significant differences between the control and experimental groups for the oral post-test in favor of the experimental group.