Random <u>selection </u>ensures that a sample is representative of the population. random <u>assignment </u>ensures that participant characteristics are equivalent across groups.
<h3>What is a representative sample?</h3>
Representative samples are little amounts or components that are a part of a bigger group or organization. It shares the same characteristics as the bigger population it represents.
Consider a company in Germany's Bavaria that is going to launch a new service or product. It would be difficult for the company to poll every Bavarian to determine how they felt about the launch. As an alternative, researchers can compile a small sample from various locations in Bavaria that will serve as a representative sample of the local populace. After that, a survey will be given to the respondents to gather their comments on the good or service. A "representative sample" is the term used to describe this selection of Bavarian individuals.
To learn more about representative sample from given link
brainly.com/question/4297306
#SPJ4
Answer: D, Eastern Europe
Explanation:
Because I got it correct
<span>5, which statement best explains how the conflict over tariff of 1828 was resolved
South Carolina passed the nullification Act which canceled the tariff outright
6, How did John Calhoun react to the tariff of 1828
He used his power as vice president to influence President Jackson to oppose the tariff
7, What trend can you find in the United States early years?
A gradual weakening of the federal government's power
8, How did the Indian removal Act of 1830 Go against the Worcester vs Georgia ruling
It was a law banning native American groups from owning land with in the borders of any us state
</span>
Answer:
The correct answer is option C "Specified time period has elapsed"
Explanation:
In operant molding, a fixed-interim timetable is a calendar of support where the main reaction is compensated simply after a predefined measure of time has passed. This timetable causes high measures of reacting close to the finish of the interim however much more slow reacting following the conveyance of the reinforcer.
As you may recall, operant molding depends on either support or discipline to fortify or debilitate a response.1 This procedure of learning includes framing a relationship with conduct and the results of that conduct. Practices that are trailed by alluring results become more grounded and consequently bound to happen again later on. Activities that are trailed by ominous results become less inclined to happen again later on.