Final answer:
Public opinion is the aggregation of individual views that represent the feelings that people hold on an issue at a given point in time. It can be influenced by various factors and is measured through methods like public opinion polls.
Step-by-step explanation:
Public opinion is the aggregation of individual views that represent the feelings that people hold on an issue at a given point in time. It can be defined as the collection of popular views about something, such as a person, event, or idea. Public opinion can be influenced by factors such as organized groups, government leaders, media elites, and opinion leaders.
Thus, in a democracy, the opinions of the majority are often considered more valuable and should guide decision-making, but it is also important to consider the opinions of minority groups. Public opinion is generally measured through various methods, such as public opinion polls, which provide insight for elected officials and policymakers.