Answer: Inca
The Incas were one of the most civilized peoples in America. They comprised mainly the Quechua, Aymará, Yunka, etc. tribes, which, according to the Spanish, formed the Empire of the Incas, a name derived from the reigning family belonging to the Quechua tribe, the main of the empire.
The Inca culture has been totally destroyed and today only ruins of its grand monuments, temples and palaces remain.
The answer is, "Just noticeable differences."
Weber's law was named after Ernst Weber, a German psychologist. The law postulates that the strength and intensity needed to identify changes in a stimulant correlates to the magnitude of the stimulant. In other words, the more severe a stimulus is, a greater change needs to be made for it to be noticed.
An external locus of control or lack of focus or test anxiety
