Which of the Following Fails to Illustrate "Applied Research

Multiple Choice

Which of the following fails to illustrate "Applied Research"?

A) a telephone company decreases the number of digits in their phone numbers because research shows that people cannot retain the 7 numbers that are currently used
B) teachers are asked to punish one group of students when they behave poorly, and ignore a second group demonstrating the same behaviors, in order to determine which method is most effective at classroom management
C) a scientist measures the speed at which an individual responds to the question "Is 'kraght' a real word?"
D) a psychiatrist prescribes an antidepressant medication to one of her patients to determine if the patient's depression is biological in nature