Answer:
When a person responds in an experiment in a way that is consistent with their beliefs about how the experimenter would like them to behave.
Step-by-step explanation:
Demand Characteristics: In cognitive psychology, the term demand characteristics is described as phenomenon that denotes or signifies a particular situation whereby the results related to a specific experiment or research are considered as biased because of the researcher's or experimenter's expectations related to the participant's performance on a specific task that is responsible for creating implicit demand to the subjects' or participants' to display performance as it was expected.