According to the text, researchers found that flow proneness is related to aspects of personality such that individuals who are on conscientiousness are more prone to experience flow and individuals who are neurotic are less likely to experience flow.

A) High.

B) Emotionally unstable.

Explanation:

Flow is an experience of enjoyment, concentration, and low self-awareness that occurs during active task performance. You just go away, and work automatically. This happens if your mind is clear, if you are conscious, in the moment when you do something. Ironically, this is what takes you away and you just flow. On the other hand, to emotionally unstable people this happens a lot less.

there is an explationation of this on a site called crash   course world history 1

answer; i believe the correct answer is (4) flip a coin as each participant arrives,heads indicates assignment to the first group: tails indicates assignment to the second group;