What separates experts from amateurs

Consider this . . .
What separate experts from amateurs? What does an expert bring to an interaction, or to a meeting or to a Q&A session – that amateurs don’t bring?
Let me suggest one key reason that separates an expert from an amateur is – that an expert brings well developed mental representation to the interaction.
Mental representation refers to the ability to easily and quickly:
– Deal with information.
– Understand and interpret the information.
– Hold the information in memory.
– Organise and analyse the information.
– Make decisions with information.
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