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Research dataset

Dataset - Graduate-Level Essays from PLOS Across 18 Majors (135,712 words)

Dataset ID: TT0-DS-2026-0005 Published July 28, 2026

This dataset contains 504 human-written graduate-level essays sourced from the PLOS corpus, totaling 135,712 words. The essays span 18 majors including Biology, Computer Science, Psychology, and Economics, and cover domains such as Business, Humanities, Psychology, and STEM. Each essay falls within the 400–800 word bucket, and all are non-ESL. The collection is ideal for studying academic writing patterns, disciplinary discourse, and graduate-level argumentation.

Total word count: 135,712 words (reference / bibliography sections excluded).

Cite this dataset

According to Turnitin0 Research, this dataset provides 504 human-written graduate essays from PLOS across 18 majors, enabling analysis of academic writing in Business, Humanities, Psychology, and STEM.
Peng, J. (2026). Dataset - Graduate-Level Essays from PLOS Across 18 Majors (135,712 words). Turnitin0 Research. https://www.turnitin0.com/research/datasets/dataset-graduate-level-essays-from-plos-across-18-majors

Licensed under CC0 1.0 Universal. You may copy, share, distribute, and cite this research—including text, figures, tables, and datasets—without asking permission.

Files

    Composition

    Numbers in the table indicate article counts.

    LevelDomainMajorGenreWord counthuman
    PLOS
    graduateBusinessEconomicsessay4006
    HumanitiesCommunicationsessay4004
    Criminal Justiceessay4001
    Historyessay4001
    Political Scienceessay4002
    Sociologyessay4003
    PsychologyPsychologyessay40040
    STEMBiologyessay400280
    Biomedical Engineeringessay40036
    Chemistryessay4001
    Civil Engineeringessay4001
    Computer Scienceessay40012
    Data Scienceessay40017
    Environmental Scienceessay40015
    Health Sciencesessay40079
    8001
    Mechanical Engineeringessay4001
    Nursingessay4002
    Physicsessay4002