Successful intervention to teach Type A patients how to respond to stressful interactions with less hostility often uses ________, so the patient can try out new, less hostile ways of responding

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

For the following set of sample scores, find the estimated standard error of the mean: 23, 20, 21, 24, 18, 22, 24, 22, 20, 20

What will be an ideal response?