Assessing language comprehension is critical for developing intervention programs for children who are mentally retarded. Since children's visual perceptual development affects how they attend to, interpret, and respond to stimuli, their performance may be affected by varying the stimuli. More concrete, more redundant stimuli may alter the performance.
In this study, language comprehension performance scores of each TMR child improved in response to more concrete co/or photographs as compared to more abstract line drawings. Implications for diagnosis and intervention are discussed.
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