arguing that the value you assign to a product increases as more people line up behind you, and even further when your attention is directed backward. Looking forward just reminds you of the effort (the costs) you have to make to obtain that product. These effects are even stronger when people know little about the product.
One long line is better than multiple shorter lines
One long line is better than multiple shorter lines
Having people lined up behind you reinforces your decision to wait in line.
