What has research revealed about the effect of divorce on children?

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:

37. pan shot – across the street down the row of houses 37. each is the same in general style, the front porch, the gliders, the rest of it. then suddenly the camera stops on the last house in the line. there's a spot light set up on the porch and even in the daylight we can see it shining. which element of drama is highlighted in this stage direction?

What problem does obeng say that we have in the 21st century? 2. obeng argues that the pace of change has eclipsed the pace of learning. do you agree or disagree? why? 3. what is "smart failure" according to obeng?