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.
Answer:
The role of an entrepreneuer is very important because they help the world in many ways.
They come up with brand new things that can be very helpfull or usefull in many ways to society today.
People who are a entrepreneur also work with other compaines and places to help sell their products to make the world a better place
Explanation:
Answer:
Professionalism or Professional Model
Explanation:
Professionalism is a policing style which came around 1929 when President Herbert Hoover set up the National Commission on Law Enforcement to review the Criminal Justice System in America.
The Commission headed by George Wickersham at the time, focused on two critical aspects of the system: Corrupting influence of politics and police brutality. The reformation that was introduced to combat these issues emphasized centralized police organisation, use of technology among others was called Professionalism or the Professional Model.