What is Academic Writing in Research?

Academic writing is the style of writing used to communicate research findings, scholarly arguments, and theoretical discussions in universities and academic publications. It is the language of journal papers, theses, dissertations, conference papers, and research reports.

If you are a postgraduate researcher, academic writing is the medium through which your work is judged. Your research might be brilliant, but if it is written in a way that is unclear, informal, or poorly structured, reviewers and examiners will struggle to evaluate it fairly. The quality of your writing directly affects whether your work is published, how it is received, and how it contributes to your field.

This guide covers the core characteristics of academic writing, how it differs from other forms of writing, the conventions you need to follow, and the most common mistakes to avoid.

The Four Core Characteristics of Academic Writing

Academic writing across all disciplines shares four defining characteristics. Understanding these gives you a framework for evaluating and improving your own writing.

1. Formal and Objective Tone

Academic writing maintains a formal register. This means avoiding colloquial language, slang, contractions (“don’t,” “it’s”), and informal expressions (“a lot of,” “kind of,” “stuff”). It also means maintaining objectivity: presenting evidence and letting it speak rather than relying on personal opinion or emotional language.

This does not mean academic writing has to be stiff or dull. Good academic writing is clear and direct. It can even be engaging. But it achieves this through precise word choice and well-constructed arguments, not through casual tone or dramatic language.

Objectivity is particularly important in research writing. Instead of “I think the results clearly prove that…” write “the results indicate that…” Let the evidence carry the argument. Where you do express a position (in the discussion or conclusion), frame it as an interpretation supported by your findings, not as a personal belief.

2. Clarity and Precision

Every sentence in academic writing should say exactly what you mean. Vague language weakens your argument. “Some researchers have found some interesting results” tells the reader nothing. “Three recent studies (Smith, 2021; Lee, 2022; Ahmed, 2023) found a significant positive correlation between X and Y” tells the reader everything they need to know.

Precision also applies to terminology. Use the established terms in your field and use them consistently. If your field distinguishes between “efficacy” and “effectiveness,” do not use them interchangeably. If you introduce a technical term, define it on first use.

Avoid unnecessary complexity. Some researchers believe that longer sentences with more complex vocabulary sound more academic. They do not. They sound unclear. A sentence that takes two readings to understand is a sentence that needs rewriting. For a comprehensive guide on common language issues, see our English grammar review for non-native researchers.

3. Logical Structure

Academic writing follows a clear, logical structure at every level: the overall document, individual chapters or sections, and individual paragraphs.

At the document level, research papers follow the IMRaD structure (Introduction, Methods, Results, and Discussion) or a variation of it. Theses follow a chapter structure with an introduction, literature review, methodology, results, discussion, and conclusion. Each section has a defined purpose, and the reader expects information to appear in a predictable order.

At the paragraph level, each paragraph should focus on a single point. It should begin with a topic sentence that states the point, followed by supporting sentences that develop it, and end with a sentence that either concludes the point or transitions to the next paragraph. For guidance on structuring your paper, see our post on how to structure and organise a research paper.

4. Evidence-Based Argumentation

This is the most fundamental characteristic. In academic writing, every claim must be supported by evidence. That evidence can take the form of data you collected, citations from published research, logical reasoning from established theory, or a combination of these.

Unsupported claims are the fastest way to lose credibility with a reviewer. “Social media negatively affects mental health” is a claim. “A meta-analysis of 42 studies found a small but significant negative association between social media use and self-reported well-being (Huang, 2022)” is a supported claim. The first one might be true, but without evidence, it is just an opinion.

When you cite sources, make sure your citations are formatted correctly and that your reference list matches your in-text citations exactly. Sloppy citation practice undermines the evidence-based credibility you are trying to build.

How Academic Writing Differs from Other Writing Styles

Academic writing is not the only type of formal writing, but it has specific conventions that distinguish it from business writing, journalism, technical writing, and creative writing.

vs Business writing. Business writing is action-oriented: it tells the reader what to do next. Academic writing is knowledge-oriented: it tells the reader what was found and what it means. Business writing uses bullet points, executive summaries, and direct recommendations. Academic writing uses continuous prose, detailed methodology descriptions, and hedged conclusions (“the results suggest” rather than “the results prove”).

vs Journalism. Journalism leads with the conclusion (the inverted pyramid). Academic writing builds toward the conclusion through a logical progression of evidence. Journalism prioritises brevity and accessibility. Academic writing prioritises completeness and precision, even at the expense of accessibility.

vs Technical writing. Technical writing explains how to do something (user manuals, documentation). Academic writing explains what was done and what it means. Technical writing assumes the reader wants to complete a task. Academic writing assumes the reader wants to understand a finding.

vs Creative writing. Creative writing uses narrative techniques, figurative language, and emotional engagement. Academic writing uses analytical techniques, precise language, and logical engagement. You do not start a research paper with a metaphor (unless you are in literary studies and the metaphor is your subject of analysis).

Conventions Non-Native Speakers Should Know

If English is not your first language, academic writing in English has several conventions that may differ from academic writing in your native language.

Hedging. Academic English uses hedging language to express caution and avoid overclaiming. “The results suggest…” “This may indicate…” “It is possible that…” “The findings are consistent with…” Non-native speakers sometimes write with more certainty than native academic English conventions allow. A reviewer reading “the results prove that X causes Y” will question whether you understand the limitations of your study.

Article usage. English articles (a, an, the) are one of the most common error types for non-native speakers. There are no simple rules that cover all cases, but in general: use “the” for specific or previously mentioned items, “a/an” for general or first-mention items, and no article for abstract concepts and uncountable nouns in general statements.

Sentence length. Academic English favours varied sentence length. A mix of short sentences (10 to 15 words) and medium sentences (20 to 25 words) is ideal. Sentences over 30 words should be rare. Some languages (German, Portuguese, Arabic) routinely use much longer sentences. If you translate your sentence structure directly into English, the result is often hard to follow.

Paragraph structure. English academic writing expects one main idea per paragraph. Some writing traditions allow more discursive paragraphs that cover multiple related points. In English academic writing, each paragraph should have a clear topic sentence, usually the first sentence.

Common Academic Writing Mistakes

Using informal language. “The experiment didn’t work because the sample was too small” should be “the experiment produced inconclusive results due to an insufficient sample size.” Watch for contractions, colloquialisms, and first-person pronouns (unless your field and journal accept first person).

Making unsupported claims. Every factual statement that is not common knowledge in your field needs a citation. If you are not sure whether something is common knowledge, cite it. Over-citing is a minor style issue. Under-citing is a credibility issue.

Overusing the passive voice. The passive voice has its place in academic writing (“the samples were analysed”), but overuse makes writing dull and evasive. “It was found that…” by whom? “Errors were made…” by whom? Use the active voice when it makes the sentence clearer.

Weak transitions. Each paragraph should connect to the next through a transitional sentence or phrase. If the reader has to guess how two paragraphs are related, the transition is missing.

Overcomplicating sentences. Using a complex word when a simple one works is not academic. It is unclear. “Utilise” is not more academic than “use.” “Commence” is not more academic than “begin.” Choose the clearest word.

Conclusion

Academic writing is not about sounding sophisticated. It is about communicating your research clearly, precisely, and with appropriate evidence. The four pillars (formal tone, clarity, logical structure, evidence-based arguments) apply whether you are writing a 500-word abstract or a 100,000-word thesis.

If you are a non-native English speaker, the conventions of academic English may take time to master. Reading published papers in your field is the best way to internalise the style. Professional editing is the most efficient way to close the gap between what you mean and what your writing communicates.

Need your academic writing polished for publication? PM Proofreading’s journal editing service and thesis editing service cover grammar, sentence structure, academic tone, and clarity. Every order includes a free language editing certificate. Upload your manuscript and get a quote.

Further Reading

• Overall English Grammar Review for Non-Native Researchers
• How to Structure and Organize a Research Paper
• 10 Proofreading and Editing Tips for Your Academic Writing
• Academic Editing and Proofreading Guide for Non-Native Researchers

Frequently Asked Questions

Can I use first person (“I” or “we”) in academic writing?

It depends on your discipline and your target journal. Many science and engineering journals accept first person (“we analysed the data”), and the trend across most disciplines is toward accepting it. However, some fields and some supervisors still prefer the passive voice or third person. Check the conventions in recently published papers in your target journal. When in doubt, use the passive voice for methods and results, and ask your supervisor for their preference.

What is the difference between academic writing and technical writing?

Technical writing explains how to do something (instructions, manuals, documentation). Academic writing explains what was done and what it means (research papers, theses, journal articles). Technical writing is task-oriented. Academic writing is knowledge-oriented. Both are formal and precise, but they serve different audiences and purposes.

How do I improve my academic writing as a non-native English speaker?

Read published papers in your field extensively. This is the most effective way to internalise academic English conventions, including hedging language, paragraph structure, and discipline-specific vocabulary. Write regularly, even if the output is rough. Use grammar tools like Grammarly for surface-level errors, but rely on professional editing for tone, coherence, and academic conventions. Our English grammar review for non-native researchers covers the most common grammar areas to focus on.

What makes academic writing different from essay writing?

An essay can express personal opinions, use a conversational tone, and follow a flexible structure. Academic writing in a research context requires objectivity, evidence-based claims, a formal tone, and a standardised structure. Academic writing also requires citations for any claim that is not common knowledge, whereas essays may reference sources more loosely. The level of rigour and precision expected in academic writing is significantly higher.