The worst part of political machine is the corruption.it was complete and absolute throughout the entire machine.everybody got their cut-except the avarage citizen.
It is a process where professionals are to guide hearing parents or the society itself about raising their children that may become hearing impaired. One of which is the idea of providing information to hearing society about raising hearing impaired children for their growth.
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.