Answer: This is a "CONTROLLED PLACEBO EXPERIMENT".
Explanation: A controlled placebo experiment is a type of research method that is used to check the effectiveness of a drug in a patient. This is done by selecting a sample group, then randomly divide the two group into a placebo group ( this are the group that will receive the drug treatment ) and the controlled group( these are the group that will receive a coloured mixture that looks like the drug, but does not have any effect). Without the groups knowledge about the real drugs and the coloured mixture, but are followed up and tested.
This is a controlled placebo experiment, because 400 student has been choosed as the sample, and are divided into a placebo group and a controlled group, to check the effectiveness of a drug on their memory.
One advantage of taking an active role in your orientation is you will be able to answer questions that you have about the job. The correct answer is B.
Answer:
I hope it will helpu
Explanation:
federalism maintain democratic values Second, federalism disperses access to power, wealth and resources more widely to different territorial groups. It may help promote both peace and stability by giving local people a stake in the system. It might also encourage better governance, with more equal economic development
Answer:
B) no shortage and no surplus.
Explanation:
The market is said to be in the state of equilibrium when the curves of the supply and demand intersect with each other. It is at this position that the quantity of product supplied and the quantity of the demand are equal. The state of surplus is reached when the market price exceeds the equilibrium price. Market price falls when the supply quantity is greater than the demand quantity.