What was one remarkable finding about people's accuracy in estimating others' likes, opinions, and behaviours, as discussed in the passage?
1) They were off by approximately 1 scale point on a 10-point scale
2) They were off by approximately 2 scale points on a 10-point scale
3) They were off by approximately 3 scale points on a 10-point scale
4) They were off by approximately 4 scale points on a 10-point scale