Final answer:
The non-effective way to show interest in class is by frequently checking your phone, texting, or browsing social media. Effective modes of engagement include participation, detailed note-taking, and maintaining eye contact.
Step-by-step explanation:
The option that is NOT an effective way to show your professor that you're interested and involved during class is C) By frequently checking your phone, texting, or browsing social media. This action is an example of passive involvement, which can lead to distractions and hinder learning. Instead, engaging actively in class by participating in discussions, asking questions, taking detailed notes, and maintaining eye contact are all effective ways to demonstrate interest and involvement. Utilizing online resources suggested by the professor and avoiding passive reading are also important strategies for succeeding in class. Additionally, active engagement such as talking to the professor about difficult topics or keeping a reading journal can show dedication to the course.