An individual's socioeconomic status includes:

Pioneer behaviorist joseph wolpe discovered that a stimulus will not elicit fear or anxiety if

a. conditioning prevents negative emotions b. operant conditioning reinforces relaxation c. discrimination becomes increasingly difficult d. incompatibile behavior occurs at the same time

Four-month-old Andrew is participating in a study of his response to a variety of novel stimuli

When his mother brings him to the laboratory, he is presented with mobiles, novel toys, the sound of an unfamiliar woman's voice, and a strong smelling substance. According to the researchers, he is a "high reactive" infant. When Andrew returns for the next phases of the longitudinal study at 14 and 21 months and is presented with a person wearing a gas mask, a blood pressure cuff, and other unusual situations, he will most likely a. be classified as "average" -- a classic example of regression to the mean b. be classified as "high reactive" again c. have little or no reaction, making it impossible for the researchers to classify him d. be classified as ‘low reactive"