Dr. Lau is doing an experiment in which he wishes to determine the lowest concentration of salt that customers will be able to taste in a new soup product. In this experiment, Dr. Lau is interested in measuring the customer's a. top-down perceptual processing.
b. difference threshold.
c. absolute threshold for taste.
d. just noticeable difference for salt.

In a study, people were asked to imagine simple occasions that made them happy and to remember events that made them feel proud about themselves. it was observed that the subjects developed an increasingly positive attitude. these changes are known to be healthy, leading to greater physical activity and reducing unhealthy habits. based on this excerpt, we can conclude that a positive attitude .