One group of students was paid for each puzzle they solved; the other wasn’t.
Unlike a firearm, a knife can never be unloaded or made safe.
Knives are cutting tools, and sometimes weapons in the hands of professionals like combat soldiers, federal officers, law enforcement, and SWAT teams.
It can be challenging to devise appropriate rewards and punishments for student behaviors.
Often, one needs to escalate the rewards and punishments over time to maintain a certain effect level.
Also, extrinsic motivators typically do not work over the long term.
Once the rewards or punishments are removed, students lose their motivation.
A knife is a simple tool and in the hands of a trained professional, a devastating weapon.
Unlike a firearm, the knife can not be made safe or non-functional as it is a simple form.
Students are individuals, so a variety of approaches may be needed to motivate different students.
It is often helpful to know what interests one’s students in order to connect these interests with the subject matter. Also, it helps if the instructor is interested in the subject to begin with!
Students who are extrinsically motivated might say things like the following.