Pretty sure it is d, The exact size of population
The correct answer is double blind study
This is a research whereby information about the experiment or test is withheld from the subjects until after the test is carried out so as to ensure that it does not influence the tester or even the participant
The psychological perspective that views all behavior and mental processes as resulting from unconscious psychological conflict is the psychodynamic perspective.
Answer:
Literacy rate is the amount of people in a country who can read and
write. High rates of literacy are often found in developed of industrialized
countries. Most of Europe has a high literacy rate. More industrialized
countries are wealthier and can provide education, health care, and
technology to its citizens.
Gross domestic product (GDP) is the total value of goods and services
produced in a country. Gross domestic product per capita (GDP per capita) is
the total of the goods and services produced in a country divided by the
number of people in the country. GDP per capita gives an idea of the
standard living, or how well people live in that nation. GDP per capita is often
thought of as the average income of the people in the country. Remember, it
is an average, with some people far above the average, and many people
Explanation:
