Step 1: Understanding the Question:
The question asks us to identify the specific speech or language difficulty that is characterized by struggle with word usage, tenses, and sentence structure.
Step 2: Key Formula or Approach:
Analyze the options by distinguishing speech articulation issues from language processing disorders:
• Stammering: A speech fluency issue involving vocal blocks or sound repetitions.
• Slurring: Unclear speech pronunciation caused by poor motor control of mouth muscles.
• Lisping: An articulation difficulty where specific sounds (like 's') are mispronounced.
• Expressive Language Disorder: A language impairment where a child struggles to construct grammatically correct sentences or use vocabulary properly.
Step 3: Detailed Explanation:
While stammering, slurring, and lisping are physical speech production issues (where the child knows the correct words but struggles to pronounce them), Expressive language disorder is a cognitive language processing issue. A child with this disorder struggles to organize their thoughts into correct grammatical structures, often using incorrect tenses or struggle to select appropriate words when speaking.
Step 4: Final Answer:
The disorder characterized by incorrect word use, tenses, and sentence structure is Expressive language disorder, which corresponds to option (D).