The correct answer for this question is "b. be divided into spheres of influence." The Allies agreed that Eastern European territories should be divided into spheres of influence. This is the correct answer as far as the Allies and the Eastern Europe is concerned.
The correct answer is clinically insignificant
In this sense, there was no significant difference between patients who used placebo and those who did not.
Scientifically proven, the placebo effect is centered on the idea that the patient's expectations and beliefs can promote biological changes in favor of curing diseases. There are confirmations of results of improvements in different diseases with the use of inactive drugs or the simulation of a medical procedure.
Answer:
B). A Cross-sectional research design.
Explanation:
A cross-sectional research design is demonstrated as a kind of observation study that involves the study and analysis of a representative subset from the population at a particular point of time.
In the given example, Tucker is employing 'cross-sectional research design' as he selects a representative subset('a group of 5-year-olds, a group of 10-year-olds, and a group of 15-year old) from the population at the same time for study and analysis(by interviewing them) . This implies that Tucker adopts a '<u>cross-sectional research design</u>.'
