Final answer:
Divided attention is the ability to pay attention to more than one thing at a time but not being able to provide 100% attention to both.
Step-by-step explanation:
The term or concept that describes the ability to pay attention to more than one thing at a time, but not being able to provide 100% attention to both, is Divided Attention. Divided attention refers to the ability to focus on multiple tasks or stimuli simultaneously, but with a reduced level of attention allocated to each task. An example of divided attention is when a person tries to watch TV and study at the same time, but finds it difficult to fully concentrate on either activity.