Ateacher originally wanted to increase class participation, so she positively reinforced question asking with nickels. after a few days, students had stacks of nickels on their desks, and the class was asking far too many questions. the teacher decided things were better off when the students didn't ask so many questions. to reduce question asking, the teacher has several options available to her. she could approach the students' desks and physically remove a nickel from their stacks whenever they ask a question, a process known as or, she could simply no longer give students nickels when they ask questions, a process termed