Explanation:
The Chalcolithic period, or Copper Age, was an era of transition between the stone tool-using farmers of the Neolithic and the metal-obsessed civilizations of the Bronze Age. The Copper Age was really a phenomenon of the eastern Mediterranean regions, and occurred from roughly 3500 to 2300 BCE.
Answer:
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The correct answer is discriminant
Discriminant validity tests the hypothesis that the measure in question is not unduly related to different constructs.
Content validity is concerned with whether the measure represents the different aspects or facets of the phenomenon to be measured. Advises that for the obtaining better content validity, the investigator should try to minimize the possible criticisms about the aspect investigated through the review of the existing literature, specifying, through a correct conceptual definition, what is, or is not, the object of measure. In addition to these aspects, a broad list of items that represent all relevant dimensions of the studied phenomenon and request an evaluation by judges and experts who report on the scope of the content to be covered. There are no ways to guarantee proof of content validity, considering that it depends on the degree of revision of the researcher's value judgments, in addition to assuming that all possible dimensions and contents of the concept, phenomenon or behavior investigate.
Answer:
RACIAL OR ETHNIC STRATIFICATION.
Explanation: Ethnocentrism is a belief that one's own ethnic group or ethnic tradition is more superior than others.
Noel Hypothesis is a theory that describes the developer of dominance traits and subordinate traits between a group of persons as a result of the interaction taking place between the two groups of persons.
According to Noel Hypothesis there are three factors that influence the outcome of the interaction taking place between groups of people they include;
(1) ETHNOCENTRISM
(2) COMPETITION
(3) DIFFERENTIAL IN POWER.
