CHILD DEVELOPMENT PEDAGOGY

Detailed explanation-1: -When you check and see that you have received a message, it acts as a reinforcer for checking your email. Your Employer Checking Your Work: Does your boss drop by your office a few times throughout the day to check your progress? This is an example of a variable-interval schedule.

Detailed explanation-2: -Pop quizzes work on a variable-interval schedule of reinforcement. To get good grades (reinforcement) on pop quizzes, which come at inconsistent and unknown passages of time (variable interval), you must keep up on class work and assignments (behavior).

Detailed explanation-3: -With pop quizzes, a student is unsure when the reinforcement for reading an assignment is going to occur. When done properly, pop quizzes encourage students to complete their reading on a more frequent basis. This reinforcement schedule is known as a VI schedule.

Detailed explanation-4: -the time between reinforcements varies around some average rather than being fixed. For example, a professor who gives surprise quizzes that vary from one every 3 days to one every 3 weeks, averaging one every 2 weeks, is using a variable-interval schedule.