After receiving exciting news about the birth of a healthy grandson,Mr. Haney was easily persuaded to contribute a generous sum of money to a neighborhood church. This best illustrates the

A) two-factor theory.
B) adaptation-level phenomenon.
C) James-Lange theory.
D) feel-good,do-good phenomenon.

Feel-Good,Do-Good Phenomenon

The observation that people are more likely to help others when they are in a good mood themselves.

Healthy Grandson

Indicates a male grandchild who is in a state of good physical and mental health.

Generous Sum

A reference to a notably large amount of money or resources given or received.