Paying it forward

This part tells you the conclusion of the investigation.

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This part says that you can feel bad when you do something nice and the people don't have a nice reaction.

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This part has the intrduction of the text.

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This part tells about a person who gave somehting in a rainy day or money for parking.

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This part tells that gratitude should be the reward in return.

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This part tells you that people don't help when it's too much effort.

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This part describes the procedure of the experiment.

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