A person or group is described as having particular characteristics and then begins to display the very traits that were said to exist. This is an example of the

The correct answer is contact hypothesis

Hypothesis is the assumption of something that may (or may not) be credible, that can be verified, from which a conclusion is drawn. Popularly, the term is used as a synonym for speculation, chance or possibility of something happening.

In scientific and academic research, for example, a hypothesis corresponds to a possibility of explanation about a particular cause of study. An object of research can have several different hypotheses, and it is the responsibility of the researcher to put into practice experiences and other methods of verification to discover which hypotheses are most likely or true.

To develop a working hypothesis, it is first necessary to delimit the object of study and gather the appropriate assumptions as an answer to the research. After gathering all the probabilities (hypotheses), it is necessary to make the correct experiments, according to the methodologies chosen, to prove or refute the hypotheses raised.