The salesperson appears to have made effective use of <u>b. foot-in-the-door phenomenon</u>.
<u>Explanation</u>:
Foot-in-the-door phenomenon is a tactics used by many of the salesperson to sell their products. Under this technique, they make a customer to agree the large request by making them agree to their small request first.
Foot-in-the-door phenomenon was discovered by the psychologists Jonathan Freedman and Scott Fraser, when they met pedestrian salesmen at their heyday.
In the above scenario, the salesman visits my house and gave some free sample of cleaning liquid to try. He returns back in a week and requests to buy expensive cleaning products. This shows that the salesperson is following foot-in-the-door phenomenon.
See back then farming was really important and they weren't really industrialized uuntil after the civil war.
When a person experiences a period of euphoria, elevated self-esteem, increased talkativeness, enhanced energy and a decreased need for sleep it is termed as mania.
Mania is characterized by an excessive level of activity, energy, mood or conduct. This elevation must differ from how you typically behave and be apparent to others. Feelings of invincibility, sleep deprivation, rushed thoughts and ideas, fast speech and having erroneous beliefs or views are symptoms. The 3 stages of mania are: hypomania, acute mania and delirious mania. Mania is also divided into three categories: mixed states, hypomania and related diseases. With no known causes, manic episodes might cycle across several weeks or months.
A manic episode is when you have one or more mania symptoms and match the requirements for a manic episode. You might even need to be hospitalized in some circumstances.
To learn more about manic episode refer:
brainly.com/question/954972
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The capital of Texas is Austin :)
Twin cuties , candy, minnesota