This investigation has established
Academic essay writing expression
Use this phrase to introduce a final, evidence-based conclusion in formal reports or academic essays.
15秒でわかる
- A formal way to announce a proven fact or conclusion.
- Used primarily in academic, legal, or professional writing.
- Signals that evidence has been thoroughly checked and verified.
意味
Imagine you have spent a long time looking for the truth about something. This phrase is your way of saying, 'The search is over, and here is the solid proof we found.'
主な例文
3 / 6Writing a university science report
This investigation has established that the compound remains stable under high pressure.
This investigation has established that the compound remains stable under high pressure.
A formal business audit report
This investigation has established a clear link between the budget cuts and low morale.
This investigation has established a clear link between the budget cuts and low morale.
A police spokesperson at a press conference
This investigation has established that the suspect was in the city at the time.
This investigation has established that the suspect was in the city at the time.
文化的背景
This phrase is a staple of 'Academic English,' a specific register used in universities across the UK, US, and Australia. It reflects the Enlightenment-era focus on logic and provable facts. It is often used by high-level officials or scientists to signal that a debate should now end because the truth has been found.
The 'That' Rule
Always follow this phrase with 'that' to introduce your finding. It makes your sentence flow perfectly.
Don't Guess
Only use this if you have 100% proof. If you are only 80% sure, use 'The evidence suggests' instead.
15秒でわかる
- A formal way to announce a proven fact or conclusion.
- Used primarily in academic, legal, or professional writing.
- Signals that evidence has been thoroughly checked and verified.
What It Means
Think of yourself as a detective closing a very difficult case. You have looked at all the clues and talked to everyone involved. Now, you are ready to state the final truth to the world. This phrase introduces a fact that is no longer up for debate. It says, 'I am not just guessing anymore; I have the evidence right here.' It is a powerful way to claim authority over a topic.
How To Use It
You should place this phrase at the beginning of a concluding sentence. It almost always needs the word that immediately after it to connect to your discovery. For example, you would write: This investigation has established that the battery life is too short. It acts like a formal stamp of approval on your research. It tells the reader that the hard work of searching is finished.
When To Use It
This is a 'power phrase' for your university essays or research papers. It is perfect for the conclusion of a science report or a business audit. If you are writing a serious article for a newspaper, this phrase fits perfectly. It makes you sound professional, prepared, and very smart. Use it when you want to sound like the ultimate expert on a subject.
When NOT To Use It
Do not use this while chatting with friends over a coffee. It sounds way too stiff and robotic for a casual conversation. If you use it to talk about why your friend is late, they might think you are being sarcastic. Also, avoid it if you are still feeling a bit unsure. If you only have a 'hunch' or a 'feeling,' this phrase is too strong. It is for certainties, not guesses.
Cultural Background
This phrase is deeply rooted in the Western traditions of law and the scientific method. In English-speaking cultures, we place a very high value on 'empirical evidence.' We like to see the receipts! This expression is the 'gold standard' for presenting those receipts. It reflects a culture that respects the process of careful, step-by-step discovery over emotional arguments.
Common Variations
You will often see similar phrases in textbooks or news reports. The study has confirmed is a very popular alternative in science. If you want to sound slightly less aggressive, you could use Research indicates. In a legal setting, you might hear The evidence suggests. However, established is the strongest of them all. It implies the case is officially closed.
使い方のコツ
This phrase is high-register and should be reserved for formal writing or professional presentations. Avoid using it in casual speech unless you are intentionally trying to sound overly serious for comedic effect.
The 'That' Rule
Always follow this phrase with 'that' to introduce your finding. It makes your sentence flow perfectly.
Don't Guess
Only use this if you have 100% proof. If you are only 80% sure, use 'The evidence suggests' instead.
The Detective Vibe
In English, using 'investigation' makes you sound like a detective. It adds a layer of mystery and importance to your work!
例文
6This investigation has established that the compound remains stable under high pressure.
This investigation has established that the compound remains stable under high pressure.
Here, it introduces a scientific fact proven by an experiment.
This investigation has established a clear link between the budget cuts and low morale.
This investigation has established a clear link between the budget cuts and low morale.
It connects two events as a proven cause-and-effect relationship.
This investigation has established that the suspect was in the city at the time.
This investigation has established that the suspect was in the city at the time.
Used to present a verified fact in a legal context.
This investigation has established that someone forgot to do the dishes again.
This investigation has established that someone forgot to do the dishes again.
The high formality makes the mundane complaint sound funny and dramatic.
This investigation has established a pattern of neglect within the local government.
This investigation has established a pattern of neglect within the local government.
Used to highlight a serious discovery affecting the public.
This investigation has established the true identity of the unknown soldier.
This investigation has established the true identity of the unknown soldier.
Used to provide closure to a long-standing mystery.
自分をテスト
Choose the best word to complete this formal conclusion.
This investigation has ___ that the new software increases productivity by 20%.
In formal writing, 'established' is the correct term for introducing a proven result.
Complete the sentence with the necessary connecting word.
This investigation has established ___ the climate is changing faster than expected.
The phrase 'established that' is the standard grammatical structure for this expression.
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ビジュアル学習ツール
Formality Spectrum of Finding Truth
Talking to friends
I figured out...
General workplace
The results show...
Academic/Legal
This investigation has established...
Where to use 'This investigation has established'
University Thesis
Proving a theory
Courtroom
Presenting evidence
Lab Report
Confirming a reaction
Business Audit
Finding financial errors
よくある質問
10 問It means a thorough search or study has successfully found a specific, undeniable truth. It is like saying, 'We have finished checking, and here is the fact.'
Only if you are being funny! It is very formal, so using it in a text like This investigation has established that you are late sounds like a joke.
Yes, it is perfect for essays. It shows the professor that you have done your research and reached a solid conclusion.
No, not at all. An 'investigation' can be a scientific experiment, a business review, or even a deep look into a historical event.
Established is much stronger than shown. Shown means the evidence is there, but established means the fact is now officially accepted as true.
In very formal academic writing, it is better to say This investigation has established to stay objective. Using I can sometimes feel too personal.
It is used in both! It is a standard part of formal English worldwide.
Usually, no. It is reserved for significant findings. Using it for a small detail might make you sound overly dramatic.
It implies a deep, careful, and organized search. It sounds much more professional than just saying 'my search' or 'my looking.'
If you are not certain, avoid this phrase. Use The data suggests or It appears that instead to be safe.
関連フレーズ
The findings indicate
A slightly softer way to say the research shows something.
It has been determined
A very formal way to say a final decision or fact has been reached.
Research confirms
Used when a new study supports an existing idea.
Evidence points to
Used when the clues suggest a conclusion but it isn't 100% proven yet.
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