In some social-psychological experiments, must be used because people do not always behave in a natural way when they know that they are being observed.

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 is not true about the supreme court?

What requirements were placed on germany in the treaty of versailles?