The term feedback, when used by educators, refers to responses to students about their behavior or performance. Feedback is essential if students are to learn and if they are to develop classroom behavior that is socially skilled and “mature”. But feedback can only be fully effective if offered as soon as possible, when it is still relevant to the task or activity at hand (Reynolds, 1992). A score on a test is more informative immediately after a test than after a six-month delay, when students may have forgotten much of the content of the test. A teacher's comment to a student about an inappropriate, off-task behavior may not be especially welcome at the moment the behavior occurs, but it can be more influential and informative then; later, both teacher and student will have trouble remembering the details of the off-task behavior, and in this sense may literally “not know what they are talking about”. The same is true for comments about a positive behavior by a student: hearing a compliment right away makes it easier to the comment with the behavior, and allows the compliment to influence the student more strongly. There are of course practical limits to how fast feedback can be given, but the general principle is clear: feedback tends to work better when it is timely.
The principle of timely feedback is consistent, incidentally, with a central principle of operant conditioning discussed in The Learning Process: reinforcement works best when it follows a to-be-learned operant behavior closely (Skinner, 1957). In this case a teacher's feedback serves as a form of reinforcement. The analogy is easiest to understand when the feedback takes the form of praise; in operant conditioning terms, the reinforcing praise then functions like a fireward”. When feedback is negative, it functions as an “aversive stimulus” (in operant terms), shutting down the behavior criticized. At other times, though, criticism can also function as an unintended reinforcement. This happens, for example, if a student experiences criticism as a reduction in isolation and therefore as in increase in his importance in the class”a relatively desirable change. So the inappropriate behavior continues, or even increases, contrary to the teacher's intentions. Exhibit 7.2 (Attracting attention as negative reinforcement) diagrams this sequence of events.
Exhibit 7.2: Attracting attention as negative reinforcement
Example of Unintended Negative Reinforcement in the Classroom:
Student is isolated socially -> Student publicly misbehaves -> Student gains others' attention
Reinforcement can happen in class if an undesirable behavior, leads to a less aversive state for a student. Social isolation can be reduced by public misbehavior, which stimulates attention that is reinforcing. Ironically, the effort to end misbehavior ends up stimulating the misbehavior.
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