Signal detection theorists would label robert's perception that someone knocked at the door as a <u>correct rejection.</u>
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What is correct detection?</h3>
Correct detection can be defined as the inability of a person to accurately detect a signal in a situation were the signal is in indeed absent or not present.
Based on the scenario robert's perception that someone knocked at the door is term as correct rejection due to the absent of signal.
Therefore Signal detection theorists called this <u>correct </u><u>rejection.</u>
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The stage is known as Social Unrest.
Social unrest denotes the condition of collective dissatisfaction with the political system which can manifest itself into the unconventional form of protest behavior. In the state of social unrest prophets and intellectuals become hostile towards existing policies and join into the mass groups to take initiatives for better management of public safety and maintenance of law and orders an across the city.
Answer:
b. hourly weather conditions
Explanation:
According to a different source, these are the options that come with this question:
a. current newspaper articles
b. hourly weather conditions
c. full text or older books
d. some journal articles
The type of information that you can find on the internet but that cannot be found in a library database is hourly weather conditions. Anything that needs to be updated hourly would not be available in a library database, because these do not get updated often enough. Therefore, when looking for extremely new or recent information, the best place to look is the internet, as the information on the internet can be updated instantaneously.

The increase of pollutants from maquadelios in Mexico raised concerns about damage to health and the environment.
pollution is the contamination of pollutants such as harmful gases.
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The Atlantic Ocean is the body of water that separated Mesoamerica from the Old World.