TextRanch

The best way to perfect your writing.

Discover why 1,062,726 users count on TextRanch to get their English corrected!

1. Input your text below.
2. Get it corrected in a few minutes by our editors.
3. Improve your English!

One of our experts will correct your English.

theory of vs theory about

Both 'theory of' and 'theory about' are correct and commonly used in English. They can be used interchangeably in many contexts.

Last updated: March 30, 2024 • 840 views

theory of

This phrase is correct and commonly used in English.

The phrase 'theory of' is used to introduce the subject or field of study that a theory pertains to. It is commonly used in academic and scientific contexts.

Examples:

The theory of relativity
The theory of evolution
The theory of quantum mechanics

Show examples from the web [+]

Just explaining the theory of relativity.
It would appear that the theory of infinite velocity is correct.
That's the famous theory of Professor Leonard Nosferatu.
Just goes to prove the theory of our State.
And Nietzsche, with his theory of eternal recurrence.
Have you studied Darwin's theory of evolution?
It was from this cave Agostina wrote out her theory of ratite revenge.
I was in the midst of explaining my theory of time relativity.
He conceived the theory of genocide, mass depopulation of conquered lands.
In statistics and the theory of decision-making under uncertainty, errors are inevitable. There are two kinds.
These schematics use equations like the theory of relativity.
We associate the name of Darwin with the theory of evolution.
This rule is grounded in the theory of national interest.
The concept of legitimate error such as to impart legal effects is linked to the theory of appearance.
The theory of relativity explains the immense.
You're backing off the theory of a double cross.
Sure. We've been searching for a... unifying theory of everything.
I was trying to explain the theory of relativity.
Only then does this theory of imprint have an effect.
This is where Charles Darwin developed his theory of evolution.

Alternatives:

principle of
concept of
idea of
hypothesis of
model of

theory about

This phrase is correct and commonly used in English.

The phrase 'theory about' is used to introduce the topic or subject matter that a theory discusses. It is also commonly used in various contexts.

Examples:

A theory about human behavior
A theory about the origin of the universe
A theory about climate change

Show examples from the web [+]

I have this whole theory about a promotion.
I have a theory about Ivan, Victor.
I have a theory about human evolution.
I have a theory about the attacks.
My theory about the smoke monster will blow her mind.
I've got a new theory about marriage.
Commander, Captain Thrace has a theory about our missing Raptors, sir.
You must have a theory about what happened to Kevin.
Freud had a theory about that.
I have a theory about that pizza.
I have a theory about this case.
You know, I have a theory about projecting.
Because she just got finished telling me her theory about how someone inside the commission was involved.
It seems everyone has a theory about Cooper.
I have a theory about this so-called break-in.
Dupree believed they were abducted, had this theory about...
It's a theory about the assassinations.
Irene has a theory about Ultra's serum, the one that takes our powers.
I have a theory about who might have been involved in Barry's mother's death.
Well, I have a theory about fine wine, which is that...

Alternatives:

idea about
concept about
hypothesis about
belief about
notion about

Related Comparisons

What Our Customers Are Saying

Our customers love us! We have an average rating of 4.79 stars based on 283,125 votes.
Also check out our 2,100+ reviews on TrustPilot (4.9).

"Thank you!"
Sachi Nakama July 2024
"I have literally been through chat, PI, claude, bard and bing and I got conflicting answers! Thank you! Human intelligence reigns!"
Retha July 2024
"Faster than AI"
CYNTHIA December 2023
"This was very helpful and I personally think this site is the best."
Kaden October 2023
"It was extremely thorough and very helpful!"
imperialelisa October 2023
"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"
Zubair Alam October 2023
"In a world of text messages and online communication, this is great to have as a live tool. Thank you."
Selena October 2023
"Without textranch I would be stuck!"
宏祐 October 2023
"Accuracy and fast response. Personal comments from editor. Thank you."
Clh September 2023
"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"
Arturo September 2023
"The fact that you can get reliable fast feedback on your texts."
Vinicius Antonio August 2023
"you guys are better than grammarly i'm being honest here"
ordinary July 2023
"OMG! This is really good than any other text correction tools I've used so far. Highly recommend this."
Vehan July 2023
"Very fast and accurate. thank you."
mojtaba July 2023
"I love this app because it's help to writing skills all of students ♥️"
Tarisini July 2023
"This was exactly the mistake I was looking for, the wording dind´t sound right at first. Better than grammarly!"
Ente July 2023
"The immediate help that I received was reassuring and very satisfactory. Thanks."
priiiyanshuu July 2023
"this helps A LOT for my studies."
kathnunez02 June 2023
"Woow!! I would never have expected such precision! Thank you soooo much!!"
Berta June 2023
"Real Time Editor and not AI. Many Thanks."
Priya June 2023
"The very first thing excites me about Textranch is how much your editors care."
sepideh June 2023
"The fact that texts are checked by human editors rather than by AI, etc. I appreciate this!"
Анна June 2023
"Feel welcome, immediate response, high quality feedback"
martin.roy June 2023
"This is the best app that I have ever seen"
Burulai May 2023

Why choose TextRanch?

Lowest prices
Up to 50% lower than other online editing sites.

Fastest Times
Our team of editors is working for you 24/7.

Qualified Editors
Native English experts for UK or US English.

Top Customer Service
We are here to help. Satisfaction guaranteed!