Which example reflects ad hominem logical fallacy?
1. yes, the governor has made some mistakes during his term. former governors made mistakes too. making mistakes is only human, and it is a good practice to forgive people.
2.
investing in the stock market is like gambling in a casino. there’s no guarantee that you’ll profit.
3.
spending time studying in the library every day after school is better than never cracking a book.
4.
students should protest against the principal’s policy on prom parties because he's too old to understand what teenagers want.

4

Explanation:

The example reflects ad hominem logical fallacy. is number

4.

Students should protest against the principal’s policy on prom parties because he's too old to understand what teenagers want.

Ad hominem logical fallacy is a logical conclusion devired from attacking other person´s argument by attacking the person him /herself.

In this case ¨he is too old to understand¨ is not a valid argument to support that the students  should protest against his policies.

c

Explanation:

Signal phrases should provide just enough information to show the reader that the source is a valid one that can be trusted.