Answer:
The correct answer is Observation, Experimentation and Survey. These three basic designs are used in quantitative research.
Explanation:
Observational research:This represents the observation of the sample data in their elements. For instance one may elect to observe bank customers while they use the Automated Teller Machine (ATM). Mechanical observation uses a mechanical or electronic device to record customer behavior or responses to a particular marketing stimulus.
Experimentation: Experimental research is commonly used in sciences such as sociology and psychology, physics, chemistry, biology and medicine etc.
This involves is a systematic and scientific approach to research in which the researcher manipulates one or more variables, and controls and measures any change in other variables.
Survey:
There are various survey methods are there they are:
- personal interview survey
- telephone survey·
- mail surveys·
- Online surveys
In research of human subjects, a survey is a list of questions aimed at extracting specific data from a particular group of people.
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Answer:
<em>encoding failure</em>
Explanation:
In psychology, encoding failure can be described as the event when the brain fails to establish a memory link. This phenomenon is common in many people. In psychology, encoding means the ability of a brain to store and refresh a memory. Hence, encoding failure means the inability to refresh a memory. In the scenario discusses in the question, Nathan's inability to remember the number with the letter P can be attributed to encoding failure.
Elite buddhism moved to religion for all the common people, while the court started to share power with high-ranking samurais. The court was open to foreign visitors and merchants from the mainland were equally welcome as the court was very interested in perfumes, books and works of art.

a. Let's set a=3, b=1


In other words
is odd, i.e.
has remainder 1 when divided by 2. 
b. Let



There are 2n terms in the last factor. All the terms of the form

are odd. So when we add up an even number of them, we get an even number, call it 2m.


We've shown
is divisible by four. 
Merry Christmas!