If there is no what there is no crime?

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:

Which of the following was a result of the political debates over the whiskey rebellion?

What name is given to the money that had to be paid by germany in ww2