Children diagnosed with autism spectrum disorder have been recorded to have some success in development of communication skills because of the use of behavioural procedures involving shaping and discrimination training.
Autism spectrum disorder is seen as a neurological disorder that affects mostly children in the way they acts, interacts and communicates with others.
Hence, the Option D is correct.
The missing options includes "modelling appropriate communication styles, intensive therapy where the patient is placed in many social situations, stimulant medications, behavioural procedures involving shaping and discrimination training"
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