Answer: Repetitive-part learning
Explanations: Repetitive-part learning can be simply defined as a method used in learning new skills where an individual learns a part of the skill and practice, then a second part of the skill is learned, part one and two are combined together and practiced and then a third part is introduced which has to be learned and combined with the previous ones and practiced, the process will continue in this sequence untill all part are learned, combined and practised as a whole and mastered.
This allows individuals to learn the small details in each skills.
Dividing the golf swing skill acquisition into different components and having his students learn each component independently before combining all the components to practice a complete golf swing is a good illustration of Repetitive-part learning.
I think it is population.
The correct answer is Bipolar Disorder.
Bipolar Disorder is was known before as Manic Depression. Bipolar Disorder is a psychological issue that causes times of sorrow and times of anomalous lifted disposition. The modified state of mind is huge and is known as lunacy or hypomania, contingent upon its seriousness, or whether side effects of psychosis are available.
