Question 13 positive statements are: a. descriptive, making claims about how the world is. b. optimistic, putting the best possible interpretation on things. c. affirmative, justifying existing economic policy. d. prescriptive, making claims about how the world ought to be.

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:

Me asap worth brainlieist and 50 points

Anode is a point on a wave where there is no vibration. a. true b. false