What did southerners need for this type of economy 34

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 situation is most likely to show a constant rate of change?

Candace is a flight attendant for a large, international airline. while in china, candace often finds look-alikes in famous designer brands of watches, handbags, clothing, and golf clubs. in fact, she'll do her christmas shopping there and will even buy good-quality items for auctioning at her son's preschool events back in the u. s. candace's actions demonstrate