Britta has begun repeating syllables such as “da-da-da-da” and “me-me-me-me-me.” britta is in the stage of language development. gurgling cooing holophrasing babbling

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:

22. the effect of threshold braking is to a. cause skids. b. lock wheels. c. prevent locking of wheels. d. increase stopping distance.

When individuals with a stake in an issue affecting them begin to propose and develop solutions to a problem, they engage in