The dual attitude system refers to the idea that people can have two different attitudes about something: an implicit and an explicit attitude.
An implicit attitude refers to an intuitive response, while the explicit attitude refers to a thought out reaction. Sometimes, individuals have contradictory reactions, which are known as dual attitudes.
A set of attitudes, beliefs, and practices that are sued to justify the belief that one racial category is somehow superior or inferior to others.
Whenever someone is treated differently, due to the person origin, or on the basis of gender, sex, religious affiliation, age, etc.
It can happen against groups , as also for racial or ethnical reasons.
Prejudiced action against a group of people
If a person belongs to a social class or category and he is treated based on prejudice and discriminated then he is victim of racism.
The flawed assumptions about a group of people usually stem from ignorance and result in acts of violence and intolerance that lead to tensions.
--biased thought based on flawed assumptions about a group of people
Perhaps the Holocaust, remains the iconic and extreme form of discrimination as Jews a group of people were subject to deprival of human rights and reduced to endure the extremes than one could ever imagine.
I believe the answer is: <span>reticular activating system Theorists
</span><span>in biology , reticular activating system theorists believe that there are a small part of our brain that functioned as a filter that make us delete unecessary information from our memory. If this reflected into social terms, this part of brain would help determine the type of behavior that people do based on the information that they have.</span>