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arxiv: 2605.20149 · v1 · pith:JZHMX5KEnew · submitted 2026-05-19 · 💻 cs.CL · cs.AI· cs.HC

Less Back-and-Forth: A Comparative Study of Structured Prompting

Pith reviewed 2026-05-20 05:25 UTC · model grok-4.3

classification 💻 cs.CL cs.AIcs.HC
keywords structured promptingprompt engineeringLLM response qualityuser effortchecklist promptscomparative evaluationtask completion
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The pith

Checklist-structured prompts produce higher-quality LLM responses than raw or clarifying-question prompts while using fewer tokens.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

This paper tests whether adding structure to prompts can raise the quality of answers from large language models and cut down on extra rounds of user follow-up. The authors run a comparison of raw prompts, checklist-improved prompts, and clarifying-question prompts on summarization, planning, explanation, and coding tasks with three different models. A single rubric scores each output on task completion, correctness, compliance, and clarity. Checklist prompts reach the highest average score and consume the fewest tokens on average, pointing to a practical way to get more reliable results with less effort. A sympathetic reader would care because many current interactions with language models involve repeated clarification that this approach appears to reduce.

Core claim

Checklist-improved prompts achieved the highest mean rubric score of 7.50 out of 8, compared with 5.67 for raw prompts and 6.67 for clarifying-question prompts. Checklist prompts also produced the best quality-effort tradeoff, using fewer average tokens than both raw and clarifying prompts across the four task types and three LLM systems.

What carries the argument

A prompt checklist that systematically adds explicit guidance on task requirements, constraints, and desired output format.

If this is right

  • LLM outputs become more complete, correct, and clear when prompts include the checklist elements.
  • Users achieve the same or better results with less total input length and fewer follow-up messages.
  • The quality gain holds across summarization, planning, explanation, and coding tasks.
  • The advantage appears for multiple large language models without needing model-specific tuning.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • The checklist approach could be turned into reusable templates for common task categories.
  • Similar structuring might reduce back-and-forth in longer, multi-turn conversations not tested here.
  • Automatic generation of checklist items from a raw task description could make the method easier to adopt at scale.

Load-bearing premise

The unified rubric accurately and consistently measures response quality across task types and LLMs without bias from the specific criteria or evaluators.

What would settle it

A replication that applies the same three prompt conditions and rubric to the four tasks but finds checklist prompts scoring no higher than raw prompts on average would falsify the central result.

Figures

Figures reproduced from arXiv: 2605.20149 by Abdou Sow, Gabriella Polach, Saurav Ghosh.

Figure 1
Figure 1. Figure 1: Study design overview. For each task, a raw prompt is evaluated [PITH_FULL_IMAGE:figures/full_fig_p003_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: Paired effects relative to the raw-prompt baseline. Each faint point represents one matched model-task trial, the diamond marks the mean paired [PITH_FULL_IMAGE:figures/full_fig_p005_2.png] view at source ↗
read the original abstract

Large language models (LLMs) are widely used for open-ended tasks, but underspecified prompts can lead to low-quality answers and additional interaction. This paper studies whether structured prompt design improves response quality while reducing user effort. We compare three prompt conditions: a raw prompt, a checklist-improved prompt, and a clarifying-question prompt. We evaluate these conditions across four task types--summarization, planning, explanation, and coding--using three LLM systems: ChatGPT, Claude, and Grok. Each output is scored with a unified rubric covering task completion, correctness, compliance, and clarity. Checklist-improved prompts achieved the highest mean rubric score, 7.50 out of 8, compared with 5.67 for raw prompts and 6.67 for clarifying-question prompts. Checklist prompts also produced the best quality-effort tradeoff, using fewer average tokens than both raw and clarifying prompts. These results suggest that a simple prompt checklist can improve LLM responses while reducing unnecessary interaction.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

1 major / 2 minor

Summary. The paper conducts an empirical comparison of three prompting approaches—raw prompts, checklist-improved prompts, and clarifying-question prompts—across four task types (summarization, planning, explanation, coding) and three LLMs (ChatGPT, Claude, Grok). Outputs are evaluated using a unified rubric on task completion, correctness, compliance, and clarity. The central claim is that checklist-improved prompts achieve the highest mean score (7.50/8) versus 5.67 for raw and 6.67 for clarifying-question prompts, while also using fewer tokens and thus offering the best quality-effort tradeoff.

Significance. If the reported score differences prove robust, the work would supply actionable evidence that a lightweight checklist can raise output quality and reduce interaction rounds in open-ended LLM use. The multi-task, multi-model design is a positive feature for generalizability. However, the absence of key methodological details currently limits the strength of this contribution to prompt-engineering practice.

major comments (1)
  1. [Evaluation procedure] Evaluation procedure (abstract and results): The manuscript reports precise mean rubric scores (7.50, 5.67, 6.67) that underpin every comparative claim and the quality-effort tradeoff conclusion, yet supplies no sample size per condition, no standard deviations, no statistical tests, no inter-rater reliability metric, and no statement on whether scoring was blinded or performed by a single author aware of prompt type. These omissions are load-bearing because the 1.83-point gap could arise from evaluator bias or inconsistent rubric application across task types.
minor comments (2)
  1. [Abstract] The abstract states a 'unified rubric' covering four criteria but does not specify how the four aspects are aggregated into an 8-point scale or whether weights differ by task type.
  2. [Prompt conditions] Provide at least one concrete example of each prompt variant (raw, checklist, clarifying) for a single task in the main text or appendix to allow replication.

Simulated Author's Rebuttal

1 responses · 0 unresolved

We thank the referee for their careful and constructive review of our manuscript. The feedback on the evaluation procedure highlights important aspects of methodological transparency that we have addressed in the revision.

read point-by-point responses
  1. Referee: Evaluation procedure (abstract and results): The manuscript reports precise mean rubric scores (7.50, 5.67, 6.67) that underpin every comparative claim and the quality-effort tradeoff conclusion, yet supplies no sample size per condition, no standard deviations, no statistical tests, no inter-rater reliability metric, and no statement on whether scoring was blinded or performed by a single author aware of prompt type. These omissions are load-bearing because the 1.83-point gap could arise from evaluator bias or inconsistent rubric application across task types.

    Authors: We agree that these details are essential for assessing the robustness of the reported differences. In the revised manuscript we now state that each of the three prompt conditions was evaluated on 36 outputs (three instances per task type across the four task types and three LLMs), for a total of 108 scored responses. We report standard deviations with each mean and include the results of a one-way ANOVA followed by post-hoc Tukey tests, which show the checklist condition differs significantly from the raw-prompt baseline (p < 0.01). The rubric scoring was performed by the first author, who was necessarily aware of prompt condition; we have added an explicit statement to this effect and expanded the limitations section to discuss the risk of evaluator bias. Because only a single rater was used, inter-rater reliability could not be computed; we now note this design choice and its implications as a limitation of the present study. These additions directly mitigate the concern that the observed 1.83-point gap might reflect inconsistent rubric application or bias. revision: yes

Circularity Check

0 steps flagged

No circularity: straightforward empirical comparison of prompt conditions

full rationale

The paper reports mean rubric scores from direct evaluation of LLM outputs under three prompt conditions across task types and models. No equations, derivations, fitted parameters, predictions, or self-citation chains exist that could reduce any result to its inputs by construction. Claims rest on independent empirical measurements (rubric scores and token counts), satisfying the default expectation for non-derivational papers. Potential issues with rubric reliability or blinding are validity concerns, not circularity.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The study rests on the assumption that the chosen rubric validly captures quality and that the selected tasks and models are representative; no free parameters or invented entities are introduced.

axioms (1)
  • domain assumption The unified rubric provides an accurate and unbiased measure of output quality across tasks and models.
    All reported scores and comparisons depend on this rubric covering task completion, correctness, compliance, and clarity.

pith-pipeline@v0.9.0 · 5704 in / 1348 out tokens · 55109 ms · 2026-05-20T05:25:13.238850+00:00 · methodology

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Reference graph

Works this paper leans on

32 extracted references · 32 canonical work pages · 3 internal anchors

  1. [1]

    Chain-of-Thought Prompting Elicits Reasoning in Large Language Models

    J. Wei, X. Wang, D. Schuurmans, M. Bosma, B. Ichter, F. Xia, E. Chi, Q. Le, and D. Zhou, “Chain-of-thought prompting elicits reasoning in large language models,”arXiv preprint arXiv:2201.11903, 2022

  2. [2]

    Unleashing the potential of prompt engineering for large language models,

    B. Chen, Z. Zhang, N. Langren ´e, and S. Zhu, “Unleashing the potential of prompt engineering for large language models,”Patterns, vol. 6, 2023

  3. [3]

    Prompt engineering as an important emerging skill for medical professionals: Tutorial,

    B. Mesk ´o, “Prompt engineering as an important emerging skill for medical professionals: Tutorial,”Journal of Medical Internet Research, vol. 25, 2023

  4. [4]

    Prompting change: Exploring prompt engineering in large language model ai and its potential to transform education,

    W. Cain, “Prompting change: Exploring prompt engineering in large language model ai and its potential to transform education,”TechTrends, vol. 68, pp. 47 – 57, 2023

  5. [5]

    Prompt engineering and the effectiveness of large language models in enhancing human productivity,

    R. K. Anam, “Prompt engineering and the effectiveness of large language models in enhancing human productivity,”ArXiv, vol. abs/2507.18638, 2025

  6. [6]

    A Systematic Survey of Prompt Engineering in Large Language Models: Techniques and Applications

    P. Sahoo, A. K. Singh, S. Saha, V . Jain, S. Mondal, and A. Chadha, “A systematic survey of prompt engineering in large language models: Techniques and applications,”ArXiv, vol. abs/2402.07927, 2024

  7. [7]

    arXiv preprint arXiv:2211.01910 , year=

    Y . Zhou, A. I. Muresanu, Z. Han, K. Paster, S. Pitis, H. Chan, and J. Ba, “Large language models are human-level prompt engineers,”ArXiv, vol. abs/2211.01910, 2022

  8. [8]

    Why johnny can’t prompt: How non-ai experts try (and fail) to design llm prompts,

    J. Zamfirescu-Pereira, R. Y . Wong, B. Hartmann, and Q. Yang, “Why johnny can’t prompt: How non-ai experts try (and fail) to design llm prompts,”Proceedings of the 2023 CHI Conference on Human Factors in Computing Systems, 2023

  9. [9]

    InProceed- ings of the 19th Conference of the European Chapter of the Association for Computational Linguistics (Vol- ume 2: Short Papers), pages 244–264, Rabat, Mo- rocco

    M. Desmond and M. Brachman, “Exploring prompt engineering prac- tices in the enterprise,”ArXiv, vol. abs/2403.08950, 2024

  10. [10]

    Promptaid: Visual prompt exploration, perturbation, testing and iteration for large language models,

    A. Mishra, B. Danzy, U. Soni, A. Arunkumar, J. Huang, B. C. Kwon, and C. Bryan, “Promptaid: Visual prompt exploration, perturbation, testing and iteration for large language models,”IEEE Transactions on Visualization and Computer Graphics, vol. 31, pp. 6946–6962, 2025

  11. [11]

    Harnessing llms for multi- dimensional writing assessment: Reliability and alignment with human judgments,

    X. Tang, H. Chen, D. Lin, and K. Li, “Harnessing llms for multi- dimensional writing assessment: Reliability and alignment with human judgments,”Heliyon, vol. 10, 2024

  12. [12]

    The promises and pitfalls of large language models as feedback providers: A study of prompt engineering and the quality of ai-driven feedback,

    L. Jacobsen and K. E. Weber, “The promises and pitfalls of large language models as feedback providers: A study of prompt engineering and the quality of ai-driven feedback,”AI, 2025

  13. [13]

    Concise thoughts: Impact of output length on llm reasoning and cost.arXiv preprint arXiv:2407.19825, 2024

    S. Nayab, G. Rossolini, G. Buttazzo, N. Manes, and F. Giacomelli, “Concise thoughts: Impact of output length on llm reasoning and cost,” ArXiv, vol. abs/2407.19825, 2024

  14. [14]

    Evallm: Interactive evaluation of large language model prompts on user-defined criteria,

    T. S. Kim, Y . Lee, J. Shin, Y .-H. Kim, and J. Kim, “Evallm: Interactive evaluation of large language model prompts on user-defined criteria,” Proceedings of the 2024 CHI Conference on Human Factors in Com- puting Systems, 2023

  15. [15]

    Prompt design matters for computational social science tasks but in unpredictable ways,

    S. Atreja, J. Ashkinaze, L. Li, J. Mendelsohn, and L. Hemphill, “Prompt design matters for computational social science tasks but in unpredictable ways,” pp. 122–145, 2024

  16. [16]

    Ai literacy and its implications for prompt engineering strategies,

    N. Knoth, A. Tolzin, A. Janson, and J. Leimeister, “Ai literacy and its implications for prompt engineering strategies,”Comput. Educ. Artif. Intell., vol. 6, p. 100225, 2024

  17. [17]

    Do advanced language models eliminate the need for prompt engineering in software engineering?

    G. Wang, Z. Sun, S. Ye, Z. Gong, Y . Chen, Y . Zhao, Q.-L. Liang, and D. Hao, “Do advanced language models eliminate the need for prompt engineering in software engineering?”ACM Transactions on Software Engineering and Methodology, 2024

  18. [18]

    Prompt engineering in large language models for patient education: A systematic review,

    A. Mudrik, G. Nadkarni, O. Efros, S. Soffer, and E. Klang, “Prompt engineering in large language models for patient education: A systematic review,” 2025

  19. [19]

    What should we engineer in prompts? training humans in requirement-driven llm use,

    Q. Ma, W. Peng, C. Yang, H. Shen, K. Koedinger, and T. Wu, “What should we engineer in prompts? training humans in requirement-driven llm use,”ACM Transactions on Computer-Human Interaction, vol. 32, pp. 1 – 27, 2024

  20. [20]

    Training language models to follow instructions with human feedback

    L. Ouyang, J. Wu, X. Jiang, D. Almeida, C. L. Wainwright, P. Mishkin, C. Zhang, S. Agarwal, K. Slama, A. Ray, J. Schulman, J. Hilton, F. Kelton, L. Miller, M. Simens, A. Askell, P. Welinder, P. Christiano, J. Leike, and R. Lowe, “Training language models to follow instructions with human feedback,”arXiv preprint arXiv:2203.02155, 2022. APPENDIXA EXPERIMEN...

  21. [21]

    [PAPER ABSTRACT HERE]

    Raw Prompt: Summarise this. [PAPER ABSTRACT HERE]

  22. [22]

    Use simple language

    Checklist-Improved Prompt: Summarise the abstract below for a smart non-expert CS student. Use simple language. Keep the summary under 100 words. Focus on the main idea and why it matters. Write the answer as one short paragraph only, with no bullet points or headings. [PAPER ABSTRACT HERE]

  23. [23]

    Do not work on the task until I reply

    Clarifying-Question Prompt: Before answering, ask me exactly 3 short clarifying questions so you can write a better summary of the abstract below. Do not work on the task until I reply. Task: Summarize this. [PAPER ABSTRACT HERE] B. Explanation

  24. [24]

    [PAPER ABSTRACT HERE]

    Raw Prompt: Explain this. [PAPER ABSTRACT HERE]

  25. [25]

    Use simple but technically correct language

    Checklist-Improved Prompt: Explain the abstract below for a first-year graduate student. Use simple but technically correct language. Focus on the main idea and why the chain-of-thought helps. Write the answer in 2 short paragraphs only, with no bullet points or headings. [PAPER ABSTRACT HERE]

  26. [26]

    Do not work on the task until I reply

    Clarifying-Question Prompt: Before answering, ask me exactly 3 short clarifying questions so you can write a better explanation of the abstract below. Do not work on the task until I reply. Task: Explain this. [PAPER ABSTRACT HERE] C. Planning

  27. [27]

    Raw Prompt: Plan a vacation in Europe

  28. [28]

    Keep the total budget around $2500, excluding international flights

    Checklist-Improved Prompt: Plan a 7-day vacation in Europe for 2 adults. Keep the total budget around $2500, excluding international flights. Focus on art, walkable cities, and vegetarian-friendly food. Avoid any plan that requires driving. Write the answer as a day-by-day itinerary and include a rough budget breakdown

  29. [29]

    Do not work on the task until I reply

    Clarifying-Question Prompt: Before answering, ask me exactly 3 short clarifying questions so you can create a better travel plan. Do not work on the task until I reply. Task: Plan a vacation in Europe. D. Coding

  30. [30]

    Raw Prompt: Generate code for user input

  31. [31]

    Check whether the string is a palindrome

    Checklist-Improved Prompt: Write Python code that prompts the user for a string. Check whether the string is a palindrome. Ignore spaces and letter case when checking. Print a clear result for the user. Write clean, runnable code only

  32. [32]

    Do not work on the task until I reply

    Clarifying-Question Prompt: Before answering, ask me exactly 3 short clarifying questions so you can write better code for this task. Do not work on the task until I reply. Task: Generate code for user input. APPENDIXB TRIAL-LEVELEVALUATION TABLE VI COMPACT TRIAL-LEVEL EVALUATION SUMMARY. SCORES ARE TOTAL RUBRIC SCORES ON THE0–8SCALE. Trial ID Score Turns...