Answer:
Several factors contributed to the fall of the Western Roman Empire, including the socioeconomic and political instability of the empire, the Germanic invasion and the invasion of other so-called "barbarian" tribes, the rapid rise of the Eastern Roman Empire, and more.
Answer: Gottman’s principle of: solving solvable conflicts
Explanation:according to Gottman's principle of Solving Solvable conflict , these solvable conflict as the name says are the one's which can be easily resolved these are conflicts regarding housecleaning, disciplining children, sex, and in-laws. Solvable problems are about situations and they don't really to deeper than just a surface conflict hence they can be resolved if two people sit down and can be maintained.
Answer: Double-blind experiment.
Explanation:
Double blind experiment is study in which participants and experiments do not have any idea about which participant or person will be going through treatment of experiment.This process in followed is experimentation to extract unbiased results.
According to the question,researcher is conducting double-blind experiment in which he does not know who will receive the treatment in experiment and neither students are aware about it.Also, their scores and names are not concealed.
