Marigold was a psychologist who loved to study the abilities of human memory in remembrance of important events in her life. He preferred to take the test developed in it, where on a card, she wrote an event importing, and behind it, the date and level of importance. Every time she performed these tests, she needed to think about her ups and downs, and that makes her a bit depressed.
A Sacrifice or a Compromise
The answer is The Placebo Effect.
The placebo effect is an substance with no known medical effects, such as sterile water, saline solution or a sugar pill
Population census is data collected by the government which gives them an idea of the total population in a country/suburb or city. This information can also be sorted to see how many females/males, children/adults and visitors/residents
