Which of the following are designed to measure behavioral disturbances resulting from brain dysfunction?

Dr. Patel is grading student papers. After reading a particularly good paper, he finds himself grading the next paper more harshly than it probably deserves. This is an example of the __________ effect

FIll in the blank with correct word.

If Henry is a normally developing 9-month-old, he most likely

a. has already produced his first recognizable word b. spends a lot of his time awake babbling meaningless sequences such as bababa and mamama c. is still only cooing and vocalizing randomly and infrequently d. has not reached the stage of gestural communication