Final answer:
Apraxia of speech is a motor speech disorder characterized by highly variable articulation errors.
Step-by-step explanation:
Apraxia of speech is a motor speech disorder that affects a person's ability to coordinate the movements necessary for speech production. One characteristic of apraxia of speech is that articulation errors are highly variable. This means that the errors made by individuals with apraxia of speech can differ each time they attempt to produce a word or sound. For example, they may have difficulty pronouncing certain consonants or vowels on one occasion, but not on another.
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