Answer:
d. watching children play in a park and recording their behavior
Explanation:
Naturalistic observation is one of the methods used in research by the psychologists. The subjects in this experiment are observed in their natural environment. The behaviors are then analyzed and examined to draw certain conclusions out of them. Such researches help in getting a better conclusion and idea about the reaction ad behavior of the people.
• services can be bought by consumers , as well as goods
• services can be bought at just about any price with not much difference in quality
• product markets are markets such as services
Approximatey, about 50% <span>of american adults has a diagnosable psychological disorder at some point in their life.
The percentage got bigger if it's measured in metropolitan cities such as new york or Washington DC, which are really well known for their high pace and stressful jobs</span>
