The following text discusses media ecology.
Media ecology examines how communication technologies shape culture and cognition. McLuhan's famous dictum—"the medium is the message"—suggests that media's form matters more than content. Digital media may restructure attention patterns, social relationships, and even neurological development. Critics accuse media ecologists of technological determinism, neglecting human agency in adapting technologies to diverse purposes.
What is the main purpose of the text?
To provide a biography of Marshall McLuhan
To explain media ecology's core claims and a common criticism
To compare effects of television and internet on children
To argue that digital media should be restricted for youth
Correct Answer: B
Choice B is the best answer. The text explains media ecology's claims (medium shapes culture) and notes criticism (technological determinism).
- Evidence: The text explains the field: "examines how communication technologies shape culture." It cites McLuhan: "medium is the message." It notes criticism: "Critics accuse media ecologists of technological determinism."
- Reasoning: The passage defines a field of study and presents the main argument against it.
- Conclusion: The purpose is to explain claims and criticism.
💡 Strategy: Summarize: Medium is the Message -> Wait, humans matter too.
Choice A is incorrect because biography isn't provided. Choice C is incorrect because specific comparisons aren't made. Choice D is incorrect because restrictions aren't advocated.