presumed negative

USAGE SUMMARY

The phrase "presumed negative" is correct and usable in written English.
It can be used in contexts where an assumption is made that something is negative or unfavorable without direct evidence. Example: "In the absence of clear evidence, the outcome was presumed negative, leading to cautious decision-making."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

21 human-written examples

"Those studies that are scientifically credible demonstrate either no negative secondary effects -- or a reversal of the presumed negative effect," the report said.

The New York Times - Arts

Sample 106 that was presumed negative for HAV infection went merely under NoV RT-PCR test initially.

AMB Express

Although Mitchell et al. (2012) found that polyester-cotton (65/35%) shirting fabrics degraded more quickly than 100% cotton shirting fabrics, this study does not conclude that polyester-cotton is the better choice, from a sustainability perspective, due to the unknown, but presumed negative effects of degraded polyester fibers in the natural environment.

Fashion and Textiles

Expected negative values for each of the microsphere array assays were obtained from presumed negative horse samples (n = 40).

BioMed Research International

S/P ratios of the presumed negative samples were averaged (m = 0.066, SD = 0.039) and a new cut-off value was calculated as m + 3 SD = 0.18.

BMC Veterinary Research

Moreover, the widespread use of ACE-inhibitors and angiotensin receptor blockers in the diabetic subjects may have counterbalanced a presumed negative effect of diabetes on Klotho production [ 16].

Cardiovascular Diabetology

Human-verified similar examples from authoritative sources

Similar Expressions

39 human-written examples

The resultant classifier can be presented as a cascading filters system (see Figure 1): compounds evaluated as positive by SVM are immediately labelled mutagenic, whereas the presumed negatives are further sifted through two consecutive checkpoints for SAs with rising sensitivity.

Chemistry Central Journal

To me, this is a fascinating claim, for it presumes (negative) preference prior to birth.

Huffington Post

You choose what color glasses you view the world through -- opportunity, love, understanding -- all those things can add beautiful color to your life, whilst presuming negative things can have a lot of not-so-good consequences for your life.

Huffington Post

To correlate the pathologic findings of temporal artery biopsies in patients clinically defined as positive, presumed, or negative for giant cell arteritis (GCA).

Ophthalmology

The ROC curve determined that negative cut-offs for all four assays were also found to exceed the highest MFI values obtained in an analysis of 40 presumed HeV negative horse swab samples in each assay.

BioMed Research International

Expert writing Tips

Best practice

In scientific or medical writing, clearly define the criteria used to categorize samples or results as "presumed negative" to avoid ambiguity and ensure reproducibility.

Common error

Avoid presenting a "presumed negative" as a definitively negative finding. Always acknowledge the possibility of error or further findings that could alter the initial presumption.

Linguistic Context

The phrase "presumed negative" functions as a descriptive adjective phrase, modifying a noun to indicate an initial assessment or assumption of a negative quality or state. As Ludwig AI indicates, its grammatical status is correct and usable in written English.

Expression frequency: Common

Frequent in

Science

80%

News & Media

10%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "presumed negative" is a grammatically correct and commonly used phrase, especially in scientific and medical fields. It conveys an initial assumption of negativity that requires further confirmation. As shown in the Ludwig examples, it's crucial to acknowledge the provisional nature of the presumption to avoid misrepresentation and to clearly define the criteria used for the presumption, this practice ensures accuracy and clarity. Alternatives like "assumed negative" or "inferred negative" may be used depending on the specific context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

assumed negative

Emphasizes the act of taking something as negative without proof, which changes the emphasis slightly from 'presumed'.

inferred negative

Suggests a conclusion of negativity drawn from evidence, where 'presumed' indicates an assumption before evidence.

supposedly negative

Highlights that the negativity is based on hearsay or popular belief, introducing an element of doubt not present in 'presumed'.

ostensibly negative

Implies that something appears negative on the surface, but might not be upon closer inspection.

nominally negative

Suggests negativity in name only, lacking real substance.

apparently negative

Focuses on the outward appearance of negativity, differing from the inherent assumption in 'presumed'.

putatively negative

Indicates negativity that is alleged or widely accepted but not definitively proven, adding a formal tone.

allegedly negative

Indicates that negativity is claimed but not yet proven, introducing a legalistic nuance.

reputedly negative

Suggests a negative reputation or commonly held belief, differing from a direct assumption.

reportedly negative

Indicates that negativity is based on reports or accounts, shifting the focus from presumption to information.

FAQs

How is "presumed negative" used in medical contexts?

In medicine, "presumed negative" often refers to test results or conditions initially considered negative based on preliminary findings, but requiring further investigation. For instance, a patient might be considered "presumed negative" for a disease based on initial screening, pending confirmatory testing.

What's a good alternative to "presumed negative"?

Depending on the context, alternatives to "presumed negative" include "assumed negative", "inferred negative", or "apparently negative". The best choice depends on whether the negativity is assumed, inferred from evidence, or merely apparent.

Is "presumed negative" the same as "proven negative"?

No, "presumed negative" indicates an initial assumption based on limited evidence, while "proven negative" implies definitive confirmation through thorough testing or investigation. The former carries a degree of uncertainty that the latter lacks.

Can "presumed negative" apply to attitudes or behaviors?

Yes, "presumed negative" can describe attitudes, behaviors, or effects that are initially considered unfavorable or detrimental. For example, one might discuss the "presumed negative" impact of a policy, even if the full consequences are not yet known.