. Which of these terms refer to the study of hearing and perception of speech sounds?

The term that refers to the study of hearing and perception of speech sounds is "Audiology".

Here are the steps to answer this question:

1. Understand the question: The question is asking for a term that is used to describe the study of hearing and perception of speech sounds.

2. Research: Look up terms related to the study of hearing and speech sounds.

3. Find the answer: The term "Audiology" is used to describe the study of hearing and the perception of speech sounds.

4. Verify: Ensure that the term "Audiology" indeed refers to the study of hearing and perception of speech sounds.

5. Answer the question: The term that refers to the study of hearing and perception of speech sounds is "Audiology".