The use of different and inhomogeneous procedures leads to an inherent difficulty to judge what is the best performing model, or more generally, to evaluate relative forecasting performances.
The assessment of species diversity in relatively large areas has always been a challenging task for ecologists, mainly because of the intrinsic difficulty to judge the completeness of species lists and to undertake sufficient and appropriate sampling.
Among the 60 cases, 3 were excluded based on the difficulty to judge the location.
Indeed, amusic individuals fail to recognize a familiar tune without the aid of the lyrics, are unable to detect when they sing out-of-tune, and have severe difficulties to judge if two melodies are the same or different, especially on the pitch dimension.
Those concerns, and the difficulty of trying to judge decades-old accusations, are outweighed by the need to afford victims a measure of justice, the demands of public safety, and the injustice of rewarding any group for covering up sexual abuse of children.
Tells how Mrs. Morton, a librarian in her 50s, began to suffer from vertigo; gives her own descriptions of the frightening symptoms--the shaking floors, tilting buildings, difficulty in focussing, inability to judge spacial relationships, etc.
On the practical side, many have pressed the difficulty of getting people to judge themselves and others impartially; others have worried that, while we have an interest in convincing others to conform to morality, we ourselves rarely have any reason, really, to conform; still others have thought that the sort of freedom morality assumes is not available to humans as they actually are.
This adaptability and reluctance to judge, this difficulty absorbing the past of those one loves, this skepticism about community and nation define the period.
I find it hard to judge the difficulty of PD clues when writing them; one is concentrating so much on creating clues that read well and are fair that the degree of difficulty seems almost irrelevant.
They were modulated by task difficulty (semantic distance was easier to judge with triplets of the Near across-category condition), but not by the spatial location of the semantically-close outer picture.
I think the biggest difficulty was that I had to judge my own friends.
