Answer: Demand characteristics.
Explanation:
Demand characteristics are the traits shown by participant of the research and experiment in which they behave according to the expectancy of researcher or experiment so that aim of the research can be accomplished .This creates biasness in research process and decrease validity of the experiment.
According to the question, John's positive reply to the situation where someone need helps if his/her car is broken displays the impact of demand characteristics .In actuality , he would probably not help the person by stopping and he just answered in positive manner to support the study.Thus, the reply is biased.
Dr. Mason's observation best depicts <u>"description" </u>goal of psychology.
One of the main goals of psychology is basically to describe behavior. Through describing the conduct of people and different creatures, we are better ready to comprehend it and gain a superior viewpoint on what is viewed as typical and anomalous. Psychology specialists use a scope of research techniques to help depict conduct including naturalistic perception, contextual analyses, correlational examinations , studies, and self-report inventories.
The answer is C. The depopulation of the Americas, the overall effect was a decreased population growth worldwide.
Americans had never had diseases like smallpox, measles, whooping cough, among others, for that reason, they did not have defenses against them, when there was the interchange with the Europeans, there were a lot of deaths, which caused a big decreased in the population and in world general, because native people could not fight with those diseases.
