An Excellent Typist Is Given a New Computer with a Keyboard

Multiple Choice

An excellent typist is given a new computer with a keyboard that has the keys arranged on the basis of how frequently the letters are used, as opposed to the standard keyboard arrangement. Until the typist learns this new keyboard, his familiarity with the standard keyboard will result in his being plagued by

A) proactive interference.
B) retroactive interference.
C) sore fingers and a bruised ego.
D) repression.