Which is true about positive self-talk?
it is most effective if spoken out loud.
it is encouraging rather than discouraging.
it can be discouraging if not successful.
it is less successful than other methods.
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It is most encouraging rathe than discouraging.

Explanation: it encourages the speaker in many ways. Firstly it would be better to do it in front of a mirror, so you see the impact you are making on your own self. Secondly, it boost you ego knowing fully well you are in control of yourself and your environment. Thirdly, once you do it you can be able to fish out your errors and improve on them.

for me, doing projects and performance tasks.

explanation:

the reason some people sacrifice their own life for another person's life could be that they are in love with them and would do anything to keep them safe a protected even if that means risking their life in the process