The process by which people concentrate on particular skill areas to compensate for losses in other areas is called selective optimization. It is a common occurrence in people where they tend to focus more on what they know they are good at and continue improving that area.
Answer:
growth in commerce and trade.
Explanation:
The Tang and Song dynasties experienced growth in commerce and trade because both used their resources wisely. The Silk Road and Grand Canal were very useful trade routes. Iron industry and printing factories provided jobs for thousands of workers, strengthening the Chinese economy.
Answer:
The jigsaw classroom yields such positive results with regard to self-esteem, achievement, and positive informal contact between children of various racial and ethnic groups because it reduces racial misunderstanding, significantly increases meaningful educational outcomes, and raises each participating child’s interest in cooperating and working together with other children in order to develop and achieve positive results.
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Answer:
Categorical or qualitative
Explanation:
Categorical variables are used for identification purposes and are usually done to be a form a sort of organization for groups by categorizing them. Categorical variables are nominal(also called nominal variables) in that they have no intrinsic ordering and are merely assigned and ranked according to a protocol such as highest to lowest or farthest to nearest. For example social security numbers are for identification and or categorization purposes