On the show The Big Bang Theory, Sheldon tries to train what…

On the show The Big Bang Theory, Sheldon tries to train what he considers bad traits out of Penny by giving her chocolate when she “behaves” or does something good. This is an example of ______________________. (May choose more than one answer if you see fit.)

Karen has been suffering from a disorder that is characteriz…

Karen has been suffering from a disorder that is characterized by exaggerated and irrational worry that tends to interfere with her daily functioning. She can’t sleep properly and often complains of stomach aches. In spite of being constantly nervous and restless, Karen, however, cannot seem to find the specific cause of her worry. These symptoms have lasted for almost six months now. Which of the following disorders is Karen most likely to be diagnosed with?