Non-verbal communication; behavior aside from speech that transmits meaning.
Answer: deception;debriefed
Explanation:
Deception during the research occurs when the participants are not given the fully information about the research that they are participating on or they are given the incorrect information about what the research is about .
This is usually done in order to receive bias free answers because when people know what the research is about they may sometimes answer in a way that will give a particular response that they feel is expected theirfore not being completely true.
A debriefing is now done to establish how people felt about the actual research or research question after they have already participated in a research in order to receive a feedback report . This is where everything in now explained to them properly and accurately.
Answer:
"In the nineteenth century in Europe, a handful of ideologies came to predominate: conservatism, nationalism, liberalism, and socialism. In turn, briefly put, three of those ideologies had one thing in common: they opposed the fourth."
