Final answer:
Interruptions and aggressive listening can hinder effective listening, while various obstacles may hamper the listening process.
Explanation:
Interruptions are not considered a bad listening practice when unintentional or serving a useful purpose, but they can hinder effective listening when used as a habit or to dominate a conversation.
Aggressive listening involves attacking what a speaker says and critiquing their ideas or personality, resulting from frustrations in interpersonal relationships.
Effective listening can be hampered by various obstacles like focusing on personal agendas, information overload, criticizing the speaker, emotional distractions, external noise, and physical challenges.
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