The phrase "a challenging evaluation" is correct and usable in written English.
It can be used when referring to an assessment or review that is difficult or demanding in nature.
Example: "The project required a challenging evaluation of the team's performance over the past year."
Alternatives: "a difficult assessment" or "a tough review".
We are currently preparing more data in order to perform a new and more challenging evaluation in 2016.
Organizers are currently preparing more data in order to perform a new and more challenging evaluation in 2016.
Furthermore, the choice of relevant theory to inform the development of the initial PT required quite some work and was a challenging task: realist evaluations benefit from working in multidisciplinary teams.
These problems provide a challenging test for this evaluation and tend to reveal subtle differences between the various methods.
The expected risk of an experiment R e; π) (2) involves a double integral over the parameter space and an integral over the possible observations, a challenging setting for practical evaluation.
Evaluation is a challenging but necessary part of the development cycle of clinical information systems like the electronic medical records (EMR) systems in hospitals.
Evaluation is a challenging but necessary part of the development cycle of clinical information systems like the electronic medical records (EMR) system.
Developing a degree of interdisciplinary consensus on approaches to measurement (including objective measurement) and evaluation is a challenging but important objective to be met if future studies are to provide a stronger evidence base to inform decision making across the health, transport, and planning sectors.
10 Capturing heterogeneous biological systems with phenomena occurring across distinct time and length scales in a single model is a challenging yet frequent requirement in target evaluation and selection.
However, to find a uniformly distributed, near-complete, and near-optimal Pareto front in a small number of fitness function evaluations (NFFEs) is a challenging task for any multiobjective optimization evolutionary algorithm (MOEA).
