Appeal to Popularity:

诉诸众人:

1. 多数人赞成X

2.所以X是正确的.

区别:

Appeal to Popularity: 该谬误是诉诸 多数人赞成断言X的事实. (most people approve of a claim)

Appeal to Belief:   该谬误诉诸 多数人相信断言的事实. (most people believe a claim)

Appeal to Common Practice   该谬误诉诸 许多人在该问题的行动.(many people take the action in question).

参考:

http://www.nizkor.org/features/fallacies/appeal-to-popularity.html