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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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are ascertained based on

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "are ascertained based on" is correct and usable in written English.
It can be used when discussing how certain conclusions or results are determined from specific criteria or information. Example: "The results of the study are ascertained based on the data collected from various sources."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

For example, in most vaccine field trials, cases are ascertained based on clinical symptoms, then the specific infectious agent is confirmed by a laboratory test, so efficacy against clinical disease is determined.

Science & Research

Science Magazine

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Receipt of chemotherapy was ascertained based on the presence of one or more claims for a chemotherapy drug or administration, which were identified using HCPCS and ICD-9-CM codes in the healthcare claims database.

For example, only one hybrid (field identification number 1065) from site JR could be ascertained based on morphological criteria during field sampling and our genetic analysis recognized it to be an F2.

Science

Plosone

Nano-indentation was used to determine the Young's modulus and hardness of the coatings, while microtensile tests were used to introduce controlled strains in the coatings through the cp Ti and TiAl6V4 alloy substrates, from which the strength, fracture toughness and adhesion behaviour could be ascertained based on multiple cracking and delamination events.

This presupposes that the stability of the well system can be ascertained based on advance knowledge of the wellbore/rock behaviour derived from established rock mechanical and failure models.

While distant, sequence-based relatives of caspase-like proteins (e.g., meta- and paracaspases) have been recognized in silico in various unicellular organisms, however, bacterial orthologs have yet to be ascertained based on DNA sequence (Vercammen et al. 2007).

Zinc oxide has been ascertained based on the UV Vis-NIR reflectance profile in Fig. 1b, exhibiting an inflection point at 384 nm [13] and on the lUV Vis-NIRe spectreflectancet reprofileherein) showing the sharp band at around 380 nm ascribable to ZnO band gap emission [14] and a broad band at higher wavelengths.

However several of the Governor's positions can be ascertained based on his public record.

News & Media

Huffington Post

These functional properties were ascertained based on earlier published studies and by extensive bioinformatics analyses.

Science

Plosone

The diagnosis of T1DM was ascertained based on physician diagnosis extracted from chart review.

Science

Plosone

All subjects were ascertained based on a clinical diagnosis of DMD supported by the identification of a mutation in the DMD gene.

Science

Plosone
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Expert writing Tips

Best practice

Use "are ascertained based on" in formal writing where precision and objectivity are important. This phrase is suitable for scientific reports, academic papers, and legal documents.

Common error

Avoid overusing passive voice constructions like "are ascertained based on" in general writing. Active voice often makes your writing more direct and engaging. Consider rephrasing with an active subject when appropriate.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

82%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "are ascertained based on" functions as a passive construction indicating how certain conclusions or results are determined. Ludwig AI confirms its correctness in written English.

Expression frequency: Rare

Frequent in

Science

50%

News & Media

25%

Formal & Business

25%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "are ascertained based on" is a grammatically correct passive construction primarily used in formal and scientific writing to describe how conclusions or results are determined. Ludwig AI confirms this usage. While semantically sound, it is relatively rare, suggesting writers should consider active voice alternatives for increased clarity and engagement in less formal contexts. The phrase is particularly common in scientific research, academic papers, and other situations where objective, evidence-based reasoning is paramount.

FAQs

What does "are ascertained based on" mean?

The phrase "are ascertained based on" means that something is determined or established by using specific information, criteria, or methods as a foundation.

How can I use "are ascertained based on" in a sentence?

You can use "are ascertained based on" to explain how a particular conclusion or result was determined. For example: "The project's success metrics "are ascertained based on" quarterly performance reports."

What can I say instead of "are ascertained based on"?

You can use alternatives like "are determined by", "are established from", or "are derived from" depending on the context.

Is "are ascertained based on" formal or informal?

"Are ascertained based on" is generally considered a formal phrase, suitable for academic, scientific, or professional writing. In more casual contexts, simpler alternatives may be preferred.

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Source & Trust

82%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Most frequent sentences: