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| Natura: | Preprint |
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2026
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| Accesso online: | https://arxiv.org/abs/2603.25422 |
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| _version_ | 1866917363036717056 |
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| author | Gunes, Erkan Florczak, Christoffer Yildirim, Tevfik Murat |
| author_facet | Gunes, Erkan Florczak, Christoffer Yildirim, Tevfik Murat |
| contents | Recent developments in text classification using Large Language Models (LLMs) in the social sciences suggest that costs can be cut significantly, while performance can sometimes rival existing computational methods. However, with a wide variance in performance in current tests, we move to the question of how to maximize performance. In this paper, we focus on prompt context as a possible avenue for increasing accuracy by systematically varying three aspects of prompt engineering: label descriptions, instructional nudges, and few shot examples. Across two different examples, our tests illustrate that a minimal increase in prompt context yields the highest increase in performance, while further increases in context only tend to yield marginal performance increases thereafter. Alarmingly, increasing prompt context sometimes decreases accuracy. Furthermore, our tests suggest substantial heterogeneity across models, tasks, and batch size, underlining the need for individual validation of each LLM coding task rather than reliance on general rules. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_25422 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Navigating the Prompt Space: Improving LLM Classification of Social Science Texts Through Prompt Engineering Gunes, Erkan Florczak, Christoffer Yildirim, Tevfik Murat Computation and Language Computers and Society Recent developments in text classification using Large Language Models (LLMs) in the social sciences suggest that costs can be cut significantly, while performance can sometimes rival existing computational methods. However, with a wide variance in performance in current tests, we move to the question of how to maximize performance. In this paper, we focus on prompt context as a possible avenue for increasing accuracy by systematically varying three aspects of prompt engineering: label descriptions, instructional nudges, and few shot examples. Across two different examples, our tests illustrate that a minimal increase in prompt context yields the highest increase in performance, while further increases in context only tend to yield marginal performance increases thereafter. Alarmingly, increasing prompt context sometimes decreases accuracy. Furthermore, our tests suggest substantial heterogeneity across models, tasks, and batch size, underlining the need for individual validation of each LLM coding task rather than reliance on general rules. |
| title | Navigating the Prompt Space: Improving LLM Classification of Social Science Texts Through Prompt Engineering |
| topic | Computation and Language Computers and Society |
| url | https://arxiv.org/abs/2603.25422 |