Herbie wants to become a better student, so he decides to reward himself every time he gets an 85 or better on a test by having dessert. However, when he scores below 85, he skips dessert and adds 30 minutes to his study sessions. What type of learning is Herbie using?

Operant Conditioning

Classical Conditioning

Observational Learning

Cognitive learning​

answer; (cognitive   dissonance);

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.