The phrase "add a level of complexity" is correct and usable in written English.
It can be used when discussing the introduction of additional intricacies or challenges to a situation, concept, or process.
Example: "The new regulations will add a level of complexity to the compliance process that businesses must navigate."
Alternatives: "introduce additional complexity" or "increase the complexity level."
Planning and doing research in an environment where the culture is different can, however, add a level of complexity to the research.
These findings add a level of complexity to current thinking about the circuitry underlying fear learning and add to a body of literature that shows that trace fear conditioning is supported by circuitry distinct from that of delay and contextual conditioning.
Exposures over multiple months add a level of complexity to traditional toxicity assessments.
In Europe, the different languages of the various European countries will add a level of complexity to this undertaking.
This was one of the things that adds a level of complexity to the book and helps it transcend any kind of narrow categorization.
"It adds a level of complexity to the purchase of music," said John T. Gourville, a professor at Harvard Business School who has studied what is known as psychological pricing.
A tree is a living, growing thing, Mr. Nelson and Mr. Jacob remind clients, adding a level of complexity to construction that is absent in building, say, a fishing cabin.
"Any time you are dealing with a legal case, it adds a level of complexity that is a challenge to work with, especially when you are indirectly involved," she said.
"It adds a level of complexity," says a Lehman Brothers managing director, Barbara Byrne.
Of course it adds a level of complexity and it might get confusing once we have 30 different extensions in each core app.
Given these findings, it is readily apparent that the addition of serum proteins adds a level of complexity to our experimental understanding of NP-cell interactions.
