One of the factors that contributed to wealth in some parts of the middle east is a surplus of

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:

Ablank relationship exists between an employee and a supervisor

Abrief, "first-step" presentation of a work to be completed is called a