Answer:
The world population increased from 1 billion in 1800 to 7.7 billion today. The world population growth rate declined from 2.2% per year 50 years ago to 1.05% per year.
behavior observation scale
Behavioral observation is a generally utilized arrangement of behavioral evaluation. In comparison to different methods of behavioral evaluation, the people rely on people's perceptions of performance, behavioral observation includes observing and documenting the performance of a person in common circumstances. A behavior observation scale (BOS) is an assessment process which regulates behavior upon levels of achievement and also estimates the frequency with which the responses happen. The devices of BOS are ordinal scale applications which generally rates on a 1-5 or 1-7 scale.
According to Hanfeizi, the only way to create a strong society was to reward good behavior and punish bad behavior.