Explanation:
Contamination can have undesirable consequences in real experiments, some of them are related to the feelings that may arise in the research participants, the contamination bias reduces the differences between the research groups, and can cause a comparison between the treatments of each different group, the which can generate conflicts and rivalries on the part of groups that consider themselves to be inferior to others. These contamination-related problems can significantly interfere with the research results.
Answer:
Differences in water density drive deep water currents.
Explanation:
Deep ocean currents (also known as Thermohaline Circulation) are caused by: The sinking and transport of large masses of cool water gives rise to the thermohaline circulation, which is driven by <u>density </u>gradients due to variations in temperature and salinity.
It showed that group association has
the authority to create conformity as many subjects agreed with the incorrect answers given by others in their group.
In the field of Psychology, the Asch congruity tests or the
Asch Paradigm alludes to a progression of research coordinated by Solomon Asch
examining if and how people respected or challenged a larger majority gathering
and the impact of such effects on convictions and suppositions.
Explanation:
John F. Kennedy's speech had a significant impact mainly on young voters, as the president was assertive in saying words that invited young people to work for the country, as there is a saying that young people are the future of the nation, so the the president's speech gave rise to a vision of hope, unity and integration in young people, which brings a feeling of patriotism across the country and the freedom to pursue dreams through the work and joint action of the people and especially the young people to build a country worthy and fair for all.
Answer:
A. Back to France
Explanation:
Lafayette was a French military man who was present in the American revolution along with the army that sought independence from the colonies. He was an aristocrat and was essential for the victory of the colonies over England. After being wounded in a battle, he was sent back to France, where he was to negotiate support from the French government for supplies that would help the American army continue to advance in the conflict.