I think the answer would be fixed ration schedule of reinforcement. It is the type that would yield the highest rate of response. Schedule of reinforcement are rules that would contain what behaviors that will have consequences and what are these consequences and degree of the punishment
<span>it disrupted industrial production in occupied countries that could have helped Germany</span>
The correct answer is "students' ability to master whatever they seek to learn". This is the only option that states a truly motivating experience, since the ability to master whatever someone wants is believing in yourself which ultimately leads to motivation. Multiple studies have proved that students positive thoughts lead to better grades through motivation.