The phrase "also believed based on" is correct and usable in written English.
It can be used when discussing a belief or assumption that is supported by certain evidence or reasoning.
Example: "The theory is also believed based on the findings of recent studies that suggest a correlation between the two variables."
Alternatives: "also thought to be supported by" or "also considered valid due to".
The letter, from Marc L. Lipshy, Lone Star's vice president, said the firm believed and thought that Accredited also believed, "based on its previous public statements, that under current conditions, the company may suffer further declines in value and have a difficult time surviving as a going concern".
It is also believed, based on this research, that the unsteady reservoir theory with relevant development methods has much scope for improvement and broad prospects of application in the Middle East.
He thinks that the international system the United States helped to construct after World War Two was essentially benign, and he also believes, based on his experience in the Balkans and elsewhere, that when the United States doesn't act, nothing gets done.
I also believe, based on experience working with academic authors on their publishing contracts, that many authors aren't aware of the details of how their publishing contracts allow them to share their work.
We also believe, based on our analytical data and user interactions, that by placing the discussion in-line with the content, more users will be exposed to the conversation and encouraged to participate.
However, I also believe - based on my own experience - that political beliefs often melt away in real-life philanthropic situations where there's a high degree of human empathy with a cause.
I also continue to believe, based on what I've heard, that Professor Gates probably overreacted as well.
They, also, decide what to believe based on their own judgment (resulting in scientific statements alone), you do the same and have the faith to believe in someone that you don't usually experience with your five senses (resulting in scientific statements and theistic beliefs).
I also found it really hard to believe based on what you presented that you are going to release in December.
Free speech also means freedom to teach as you believe, based on objective standards of scholarship and evidence -- not freedom to use your position as a lectern for doubtful causes, something that today we might call Fake Scholarship, in line with Fake News so-called.
When this happens, we decide whom to believe based on dubious markers of authority (like social class or accent); but also on better markers like past track record.
