The phrase "a simple observation of" is correct and usable in written English.
It can be used when introducing a straightforward remark or insight regarding a particular subject or phenomenon.
Example: "A simple observation of the changing seasons reveals the beauty of nature's cycles."
Alternatives: "a basic note on" or "a straightforward remark about".
We argue that a simple observation of high IDRs (or observing correlations between IDRs and socio-economic characteristics) does not provide guidance for policy-making since the underlying sources cannot be identified.
Mama Weer All Crazee Now was a simple observation of fact.
A simple observation of an extremely dim star may point to, literally, the biggest manifestation of weird quantum phenomena yet.
An estimation of the weight was carried out via a simple observation of known functional attributes present between cancerous and non-cancerous genes.
A simple observation on the statement of Example 5.5 implies that ({mathcal{I}}_{2}) is an infinite and uncountable set.
Since you will know your audience well, it's critical to convey it, and the second person helps.. Sometimes a simple observation helps: "Many of you have travelled far to be at the conference today... or you may be new to the industry".
So a simple observation: over half of residents in Copenhange's bike to work.
The demographic indicators and baseline disease characteristics of the 114 patients enrolled are summarised in table 1. Study protocol was a simple observation after discontinuation of infliximab.
It was a simple observation– but the creation of the 'breakbeat' would be one of the key innovations in contemporary dance music.
Simply put, it is not the obligation of White-dominated media to understand or acknowledge that what they believe to be a compliment, a term of endearment, a simple observation, or even the presentation of facts is anything but what they intended it to be.
The entire subject of metric spaces grows out of a simple observation in classical geometry called the triangle inequality, which states that the length of any one side of a triangle is always shorter than the sum of the lengths of the other two sides (in other words, the shortest distance between two points lies along a straight line).
