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Reverse psychology is a persuasion technique involving the advocacy of a belief or behavior that is opposite to the one desired, with the expectation that this approach will encourage the subject of the persuasion to do what is desired: the opposite of what is suggested. This technique relies on the psychological phenomenon of reactance, in which a person has a negative emotional response in reaction to being persuaded, and thus chooses the option which is being advocated against. - Wikipedia

In other words, reverse psychology is manipulation. Regardless about how you morally feel, here's a quick lesson on how to use reverse psychology.

First lesson:

Know who reverse psychology works on. Some people just don't respond to reverse psychology. The people who do are mostly the ones who hate being told what to do. They care more about the power struggle itself than about what the struggle is about. Rebellious children are classic examples. Basically, anyone with a sensitive ego that clouds their judgment is susceptible.

More about Psychology.

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