Answer:
C.
Explanation:
Conceptual Replication can be defined as a procedure of repeated experimenting with different methods. The researchers in this method of experimenting performs the experiment of the underlying hypothesis with different methods to know the reliabilty of the result.
<u>In the given scenario, Mark has performed the experiment to determine if consuminh caffeine causes people to perform better on cognitive tasks but using different methods. The reliablity of hypothesis was checked by using different methods, first, Mark experimented on maths solving method then he performed the experiment of same hypothesis with different method of solving verbal analogies</u>.
So, the correct answer is option C.
C. Johnson was found not guilty and continued to serve in office.
During the trial 35 senators voted guilty and 19 not guilty. This was not enough to fulfill the 2/3 majoirty guilty vote.
One of the effects of the black death on Europe was social and economic Upheavals.
The Black that killed almost 60 % Person of total population in Europe. After the incidents, a lot of Lands became free and provide the survivors with a lot of opportunities which increased the prosperity for those who managed to survive
Answer:
A secondary Source.
Explanation:
The history book is written by a person who heard of the history events. He/She was not Physically there.
