The phrase "adequate challenge" is correct and usable in written English.
It can be used to describe a task or situation that is sufficiently difficult to stimulate growth or learning without being overwhelming.
Example: "The course was designed to provide an adequate challenge for students, ensuring they could develop their skills effectively."
Alternatives: "sufficient challenge" or "appropriate challenge".
However, it is the pedagogical design to adopt this gradual speed progression in order to offer adequate challenge for the L2 learners to make steady progress.
Complex games matched to the developmental level provide adequate challenge and help build frustration tolerance.
The Attending Surgeon feels that an adequate challenge to your motor learning skills is that you fully master the ability to "drive the scope".
It's possible to get big, powerful muscles with nearly any form of resistance training as long as your exercise allows you to move through a full range of motion and provides adequate challenge.
However, once the patient has received an adequate fluid challenge, further fluid challenges may not increase cardiac output and global perfusion [13].
However, once the patient has received an adequate fluid challenge, further fluid challenges may not increase cardiac output and global perfusion [ 13].
"Are you satisfied," Baker asked Carney, "that you receive adequate, robust challenge so that we can feel confident that the whole institutions [the key committees that Carney chairs] are not exclusively dependent on your own thought?" In response, Carney cited Bank Underground – a blog where Bank of England staff can air their views in public – as one of the ways free thought is encouraged.
We believe that this monkey did receive an adequate infectious challenge in the second round, as there were no technical problems with the injection.
There is little agreement regarding what absolute volume and infusion rate defines an adequate fluid challenge.
We belief that a depletion paradigm is equally valuable to investigate whether patients with different neuropsychiatric disorders differ in the response to an adequate DA challenge.
Septic shock was defined as sepsis with sepsis-induced hypotension requiring vasopressor therapy despite adequate fluid challenge along with the presence of hypoperfusion and organ dysfunction.
