An early pregnancy test revealed that Samantha's baby might have a neural-tube defect. Happily, her baby had no signs of it at birth. The test result was a ______, suggesting a problem that did not exist

Which situation might lead to an experimental neuroses?

a) feeding a dog only once a day b) using a bright light to signal that food is about to be delivered c) presenting a circle of a certain size with food and slowly changing the size of the circle d) signaling the delivery of a mild shock by using a tone rather than the presence of a light

Children who had received more nutrients

a. were less involved with their peers. c. had more anxiety. b. showed more positive emotion. d. have higher rates of obesity.