When the independent variable appears to have no effect on the dependent measure because the participants quickly reach the maximum performance level, it is known as a Ceiling effect.
A ceiling effect is said to occur when a high percentage of subjects in a study have maximum scores at the observed variable. This makes discrimination amongst subjects at the top end of the scale impossible. as an example, an exam paper may cause, say, 50% of the scholars to score 100%.
The term ceiling effect is a measurement limitation that occurs when the highest possible score or close to the highest score on a test or measurement instrument is reached, thereby decreasing the likelihood that the testing instrument has accurately measured the intended domain. For an example, a check whose items are too clean for the ones taking it would display a ceiling effect because most people would achieve or be close to the best possible score.
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Answer: Primary Election
Explanation:The most well-known method for nominating candidates is known as the Primary Election. This is when the political parties select their candidates. Voters get the opportunity to choose from candidates seeking nomination.
The important development that allowed Dontrell to attend the birth of his child is the<u> </u><u>invention </u><u>of the</u><u> airplane/ air travel. </u>
Air travel:
- Has allowed humans to transverse great distances within very short periods
- Has revolutionized logistics in human society
Thanks to air travel being invented, humans can move distances that would take days by other modes of transport in mere hours. This will allow Dontrell to come back in time to attend the birth of his child.
In conclusion, Dontrell will not miss the birth of his child thanks to the invention of air travel.
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B I think or A 15 yr olds are too young to retire
76 people are already retired
