Answer: A systematic sampling method.
Explanation.
The purpose s to obtain data that closely resembles that of the entire population. Because this is impractical, random sampling is used.
After determining what a reasonable sample size will be, the size of the population is divided by the sample size to obtain a sampling interval.
The random sample is obtained from the population at the calculated sampling interval.
Answer: Income effect refers to the change in an income earned by an individual and with a percentage change upward or downward impacts consumer buying/ purchasing power of it
Explanation: You didn't put the answer choices so ii couldn't tell you exactly which one.
Social psychologist Piotr, in focusing on the new field of positive psychology, takes a humanistic perspective, which emphasizes free will and human fulfillment.
<h3 /><h3>What is humanistic psychology?</h3>
It corresponds to the approach that individuals are unique and their individual characteristics should be considered in psychological care.
Therefore, considered as an optimistic approach, humanistic psychology recognizes the human being as a complex being whose mental health is integrated with the organism, social behavior and thoughts.
Find out more about humanistic psychology here:
brainly.com/question/9494586
Answer:
- Change in quantity demanded: Represent a change of total demands of a product that is caused by the price of the product.
When the price of a product increased, the amount of consumers who can afford to buy that product is decreased, As a result, this cause a decrease in overall demand over that product. (The opposite happened when the price of product is decreased)
- a shift in the demand curve. : Represent a change of total demands of a product that is caused by other factors beside the price of the products.
Price is not the only one that can affect demands. For example, natural disaster could occurred and make a certain type of product become really scarce. This tend to lead to an increase of demand even if the price of that product remain the same.