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in previous research vs in previous researches

The correct phrase is 'in previous research.' The word 'research' is often used as an uncountable noun, so it doesn't usually take a plural form. Therefore, 'research' remains the same whether it's singular or plural.
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Explained by Miss E.
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Last updated: February 13, 2025 • 5034 views

This phrase is correct and commonly used in English.

"in previous research"

Use 'in previous research' when referring to work that has been done before. The word 'research' is considered an uncountable noun in this context.

Examples:

  • In previous research, the effects of climate change on biodiversity were studied.
  • The findings in previous research support our hypothesis.
  • ... in previous research. Although rare, still highly desirable is a well-executed literature review that provides a new theory or includes a well-grounded ...
  • Reply to Bistline and Blanford: Letter reaffirms conclusions and highlights flaws in previous research · Mark Z Jacobson · Mark A Delucchi · Mary A Cameron.
  • This can be done by indicating a specific gap in previous research, by challenging a broadly accepted assumption, by raising a question, a hypothesis, or ...
  • Although African Americans were generally under included in previous research studies, new and growing evidence suggests that they may be at increased risk ...
  • Aug 22, 2023 ... Mitochondrial DNA study offers several new findings, reveals confounding factor in previous research. by Justin Jackson , Medical Xpress.
  • Jul 25, 2024 ... Scientists say flaws in previous research mean health benefits from alcohol were exaggerated. “It's been a propaganda coup for the alcohol ...
  • Reply to Bistline and Blanford: Letter reaffirms conclusions and highlights flaws in previous research.
  • Dec 3, 2020 ... ... in previous research. In a new study that could turn what we know about birth order upside down, a University of Houston researcher has ...
  • Jan 17, 2020 ... Milestones in Previous Research ... The first scientists to study the rocks at Blue Beach arrived in the early 1800's. The first investigators ...
  • Entry Point Type 1: Addressing a Gap in Previous Research. Identifying a gap (or gaps) in the related scholarly literature and setting out to fill it is one ...

This phrase is incorrect in standard English usage. 'Research' is typically treated as an uncountable noun.

"in previous researches"

  • In previous researches, many approaches have been put forward. 3. Future Generation Computer Systems. These results are seldom shown in the previous ...
  • Jun 2, 2013 ... Sentence 2 isn't a proper sentence. It would need to be something like "In previous researches on Singapore English..." – Cmillz. Commented Jun ...
  • Dec 6, 2017 ... ... in previous researches on the same topic; - posting what you typed and what Stata gave you back (as recommended by FAQ) is the best way to ...
  • Download scientific diagram | Analysis of CMC and γCMC Surfactants NAAAc in Previous Researches. from publication: Implementation of Amino Acid as a Natural ...
  • The BSA estimation model of this study also validated using 300 new measurements along with the formulae proposed in previous researches. The result ...
  • Download scientific diagram | Closing knee joint reinforcement details in previous researches. from publication: Behavior of Closing Knee Joints Using ...
  • Sep 26, 2022 ... ... in previous researches. Besides, there lacks clear clinical guidance on the intermittent or continuous use of ICIs. This review aims to ...
  • ... in previous researches of the literature in both the theoretical and methodological aspects, which may result in questionable evidence. Aim: Improvement of ...
  • ... in previous researches. These materials have been tested individually for 24hrs to have an estimation of their E.Coli removal capacity before they were ...

Alternatives:

  • in previous studies
  • in earlier research
  • in prior research
  • in past research
  • in previous investigations

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