Putting a Player on a Hand

[KnightEnder]

What do you think is the most important aspect to consider when putting a player on a hand?

Position?
Bet? (Raise, Call, etc.)
Size of bet?
Personality/Style? (If you've played with them long enough)
Tells? (Assuming the above.)
The Board? (Seeing what is out there and what they could be betting on.)
Stack Size? (M)
Something I'm leaving out?

Of course all of the above go into it, but what is the most important? And failing that; what do you look at first? (My guess is position.)

In other words how does Daniel do it, and how do you do it, if you do?

Thanks.

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