Answer:
Experimental
Explanation:
Experimental Research Design- It is primarily used to explore the cause and effect relationships and to study the relationship between different variables. Researchers use this research design to compare 2 or more groups of 1 or more measures. In experimental design, the researcher tries to understand the relationship between dependent and independent variables. An experimental research is contemplated to be successful only when the researcher states that the change in the dependent variable is only because of the manipulation of the independent variable.
There are 3 principles of Experimental research design: randomization replication, and local control.
Answer:
A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particular treatment. This procedure is utilized to prevent bias in research results. Double-blind studies are particularly useful for preventing bias due to demand characteristics or the placebo effect.
For example, let's imagine that researchers are investigating the effects of a new drug. In a double-blind study, the researchers who interact with the participants would not know who was receiving the actual drug and who was receiving a placebo.
Answer: A
Please give me Brainliest
Explanation:
The Han Dynasty ruled China from 206 B.C. to 220 A.D. and was the second imperial dynasty of China. Though tainted by deadly dramas within the royal court, it
Marie Curie, née Maria Salomea Skłodowska, (born November 7, 1867, Warsaw, Congress Kingdom of Poland, Russian Empire—died July 4, 1934, near Sallanches, France), Polish-born French physicist, famous for her work on radioactivity and twice a winner of the Nobel Prize.
Answer:
An aquaduct that carried water throughout the city.
Explanation:
