The phrase "a ability to" is not correct in written English.
It should be "an ability to" because "ability" begins with a vowel sound. You can use the corrected phrase when discussing someone's capacity or skill to perform a certain action.
Example: "She has an ability to solve complex problems quickly."
Alternatives: "a capacity to" or "a skill to".
Using two intact seventh-grade classes and a staggered treatment design, students were assessed at three time points on their (a) ability to solve equivalence problems, and (b) reasoning abilities about true false number sentences.
The advantages of the system are: (a) ability to detect and measure individual submucosal gland secretions, (b) computer assisted data acquisition and analysis, and (c) decreased propagated error in hillock volume measurements.
Training aimed to improve: a) ability to link pairs of situations and mediating beliefs to emotions, and b) ability to link pairs of situations and emotions to mediating beliefs.
Space available for penetrometer optics was constrained by a several practical design requirements: (a) ability to collect in situ soil VisNIR reflectance and insertion force simultaneously; (b) thick probe walls strong enough for insertion into dry soil with high clay content; and (c) a narrow enough cross-sectional diameter for insertion using a standard soil coring hydraulic push system.
In particular, we found major differences in (a) ability to coordinate with the emergency department in the recruitment process; and (b) hospital policy as to whether, and at what point, potential registry participants could be approached to participate.
In the urban setting, non-hospital based tele-medicine centres should select doctors based on their (a) ability to communicate with village folk, (b) ability to manage the distant patient who has limited resources, (c) preference in working in such an office rather than a clinic and (d) willingness to stay in a given organization for a few years rather than moving on soon.
"It isn't a chore as much as an ability to create an experience".
He was a leader with an ability to interpret life.
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"We don't have an enabling environment, an ability to talk about such things," she said.
He did demonstrate an ability to take a punch, though, and to deliver one.
