Presumably this refers to the judging of a person by another; it is something that we all do whenever we see or hear anyone and it is not something that we necessarily choose to do. People normally try not to make assumptions about others but we all do, regardless of whether we know we are doing so. We do it subconsciously - we decide what the person is like even though we are not trying to make judgments and are not basing our thoughts on evidence.
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Presumably this refers to the judging of a person by another; it is something that we all do whenever we see or hear anyone and it is not something that we necessarily choose to do.
People normally try not to make assumptions about others but we all do, regardless of whether we know we are doing so. We do it subconsciously - we decide what the person is like even though we are not try