Few published studies have systematically compared the efficacy of different prompt-fading methods in the training of complex response chains. The current study systematically compared a most-to-least physical prompt fading hierarchy with a most-to-least vocal prompt fading strategy in the training of four arbitrary Tinkertoy® construction tasks…

Learning to use grapheme to phoneme correspondences (GPCs) provides a powerful mechanism for the foundation of reading skills in children. However, for some children, such as those with Developmental Language Disorder (DLD), the GPC learning process takes time, is laborious, and impacts the entire reading and spelling processes. The present study…

Eight six-year old German children with development disabilities regarding such number competencies as have been demonstrated to be among the most relevant precursor skills for the acquisition of elementary mathematics received intensive training with the program "Mengen, zählen, Zahlen" ["quantities, counting, numbers"] (MZZ,…

This study evaluated the effectiveness of a multicomponent early literacy curriculum that included phonics and phonemic awareness in comparison to a sight word approach. A total of 93 students with severe developmental disabilities who were enrolled in Grades K through 4 were randomly assigned to either a multicomponent early literacy curriculum…

There is a great need to identify specific instructional methods that effectively promote positive skill development in young children with developmental disabilities. One method that has received strong empirical support with children with autism is Discrete Trial Teaching (DTT); however, the effectiveness of DTT has not been extensively…