What is a living and changing document ?​

One common educational practice is to chart students' progress over time so that students can see their own improvement. these progress charts often lead to higher student achievement in the absence of other observable forms of reinforcement. the effectiveness of such charts in changing behavior illustrates the role of reinforcement as:

Enumerate the set key performance indicators (kpis) of the uae to measure its performance against its targets of 2021.

According to erikson's theory, which stage of social development is related to adulthood