Final answer:
Lahney's act of taking credit for an idea not her own is an example of plagiarism. It involves presenting another person's work or ideas as if they are your own, without proper attribution and is considered academic dishonesty.
Step-by-step explanation:
Lahney has taken credit for an idea that is not her own. This is an example of plagiarism. Plagiarism is a serious academic offence and occurs when someone uses another person's words, ideas, or work without giving proper credit. It involves presenting someone else's work as if it were one's own. Some common forms of plagiarism include submitting a paper written by someone else, copying text without citing the source, and even pasting phrases or sentences into your work without giving due credit. Plagiarism is considered cheating and is the opposite of honesty and collaboration in an academic setting.