How effective are various states' policies of imposing a plastic bag fee to reduce the number of plastic bags used?

Question

BlackTom AI · Accepted Answer

Argumentative because the prompt asks for an evaluative judgment about policy effectiveness and thus requires a claim supported by evidence and reasoning.

Relevant knowledge points and concepts:
- Definition of argumentative writing: presents a clear claim or thesis, supports it with reasons and evidence, addresses counterarguments, and persuades the reader of a conclusion.
- Policy evaluation basics: measure outcomes (plastic bag usage rates), causal inference (did the fee cause the change?), control for confounders (other campaigns, bans, economic factors), and compare across jurisdictions.
- Types of evidence: pre/post data, difference-in-differences comparisons, surveys, and case studies.

Step-by-step reasoning:
1. Interpret the prompt: "How effective are various states' policies of imposing a plastic bag fee to reduce the number of plastic bags used?" This asks for assessment across states, not mere description.
2. Determine task requirements: to answer well you must assert a position (e.g., fees reduce usage significantly under certain conditions), then marshal comparative evidence and explanation.
3. Gather and present evidence: cite state-level reductions in bag usage where fees were implemented, discuss magnitude (percent reduction), and note studies that attribute causality. Explain mechanisms (price signals, habit change) and moderating factors (fee size, exemptions, enforcement, public education).
4. Address counterarguments: consider studies showing limited effect, substitution effects (more paper bags), or political backlash, and rebut with data or qualification.
5. Conclude with policy implications: recommend fee design, complementary measures, or monitoring.

Why the correct answer is correct:
The requirement to evaluate effectiveness and weigh evidence means the response must take and defend a position—hallmarks of an argumentative task.

Why "Not argumentative" is incorrect:
A non-argumentative response would merely describe policies or report facts without judging effectiveness or making a claim; the prompt explicitly asks "How effective..." which implies evaluation and advocacy.

Conclusion: The correct classification is Argumentative, matching the provided answer.

How effective are various states' policies of imposing a plastic bag fee to reduce the number of plastic bags used?单项选择题

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