Answer:Research design is needed because it facilitates the smooth sailing of the various research operations, thereby making research as efficient as possible yielding maximal information with minimal expenditure of effort, time and money. Research design has a significant impact on the reliability of the results obtained
Explanation: there you go hopes that help
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.
1) A
2) D
3) C will be the answers
The correct answer would be option D, Problem Solving.
A brief writing assignments asks Norm to explain how hormones influence lives using specific areas of behaviors as examples. Norm is least likely to address in this assignment about Problem Solving.
Explanation:
Hormones are basically the signalling molecules. They are also called as the Chemical Messengers. Hormones play a very important role in the physiology and the behavior regulations of a person by travelling to the organs and tissues through the blood stream.
Growth and Development are the functions directly affected by the flow of hormones.
So while writing a brief assignment about hormones that influence lives, Hunger and eating, sex and aggression are more relate-able topics to be discussed before problem solving.
Learn more about hormones at:
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For the first 12 months of your provisional license term, you are not allowed to drive with passengers under the age of 20 at any time; between the hours of 11:00 p.m. and 5:00 a.m.
<h3>
What is a provisional license?</h3>
- A license with unique restrictions is known as a provisional license.
- They are also known as permission for provisional instruction.
- They also occasionally referred to a learner's permit more colloquially. Only those aged 15 1/2 to 18 are allowed to receive it.
- Even though you may legally operate a vehicle on your own once you become 16 years old, you must first get a provisional license for at least six months.
- You are permitted to drive with a licensed adult 25 years of age or older if you have a provisional drivers license.
- For further information, check with your state, although most provisional licenses include limitations, such as:
- Not allowing any passengers younger than 20 to go along for the first year.
- Curfews, such as prohibiting driving from 11 p.m. to 5 a.m.
To learn more about a driving license, refer to the following link:
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