That may make it a bit more challenging for less technical types to use.
Most observers now agree that defeating IS will be more challenging —and less likely —as the months and (now) years grind on.
Experimental designs for measuring risk preferences require subjects to have an understanding of probabilistic events and calculations and are likely to be more challenging for less-educated populations [ 27].
"In some ways," he writes, "the security problems of the Persian Gulf are now likely to get more challenging instead of less".
Almost immediately, the instructor sensed this and, rather than encourage me, looked me straight in the eye and asked me to modify my postures to be less, not more challenging.
Some of the early reactions have called it less ingratiating than previous albums, more challenging.
Larger cues are less precise and will presumably make target identification more challenging.
Less catchy and consumable than its successors, it is also more challenging.
Braking proved more challenging.
