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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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key assumption

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "key assumption" is correct and usable in written English.
It can be used when referring to a fundamental belief or premise that underlies an argument, theory, or analysis. Example: "The key assumption in our research is that all participants will respond honestly to the survey questions."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

"They are taking our jobs" is another key assumption.

News & Media

The Guardian

It's not terrible advice but it rests on a key assumption: that parents emerge into their role the same way behavioural psychologists see their children, tabula rasa.

This is a key assumption.

Science

SEP

Small metric-fluctuations are the key assumption for the analysis.

A key assumption is the return the pension portfolio will earn in the years ahead.

News & Media

Forbes

It could also be that a key assumption in the trial design did not hold true.

Science & Research

Science Magazine

We also highlight a key assumption, that the capacity for Bayesian beliefs is subject to constraints.

A key assumption is that the model's error terms are normally distributed.

Science

NeuroImage

The key assumption is that the reconstruction errors satisfy certain bounding conditions.

In all these works, the key assumption of a priori boundedness of solutions is employed.

It should be noted that a ≢ 0 was the key assumption used in [1].

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Expert writing Tips

Best practice

When using "key assumption", clearly state the assumption and explain why it is important for your argument or analysis. This avoids ambiguity and strengthens your reasoning.

Common error

Avoid leaving the "key assumption" unstated. Failing to explicitly mention it can lead to misunderstandings or weaken your argument if the assumption is not universally accepted or easily inferred.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

78%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "key assumption" functions as a noun phrase, where "key" modifies the noun "assumption". It highlights a particularly important or fundamental assumption within a given context. As Ludwig AI states, this phrase is correct and usable in written English.

Expression frequency: Very common

Frequent in

Science

58%

News & Media

27%

Formal & Business

15%

Less common in

Wiki

3%

Encyclopedias

1%

Reference

0%

Ludwig's WRAP-UP

The phrase "key assumption" is a grammatically correct and frequently used term, as confirmed by Ludwig. It serves to highlight a fundamental premise or belief that underpins an argument, theory, or analysis. Due to its prevalence in academic and scientific contexts, it's generally considered formal. When using "key assumption", it's crucial to clearly state the assumption and explain its importance. Common errors include leaving the assumption implicit, which can lead to misunderstandings. Alternatives such as "core premise" or "fundamental presupposition" can be used depending on the desired nuance. The phrase appears most often in scientific and news media contexts.

FAQs

How can I use "key assumption" in a sentence?

You can use "key assumption" to introduce a fundamental premise upon which an argument or analysis is based. For example: "A "key assumption" of this model is that all variables are independent."

What are some alternatives to using "key assumption"?

Alternatives include "core premise", "fundamental presupposition", or "underlying principle", depending on the specific context and nuance you wish to convey.

What makes an assumption "key"?

A "key" assumption is one that is crucial for the validity or success of an argument, model, or analysis. If the assumption is proven false or invalid, the entire framework may be compromised.

How do I identify a "key assumption"?

Identify the "key assumption" by asking yourself what underlying beliefs or premises are necessary for your argument or analysis to hold true. What must be true for your conclusion to be valid?

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: