Basic neighborly interaction stems from altruistic behavior.

"Psychology should be more humanistic, that is, more concerned with the problems of humanity, and less with the problems of the guild. The sad thing isthat most students come into psychology with humanistic interests. They want to find out about people; they want to understand love, hate, hope, fear, ecstasy, happiness, the meaning of living. But what is so often done for these high hopes and yearnings? Most graduate, and even undergraduate, training turns away from these subjects, which are called fuzzy, unscientific, tender–minded, mystical. (I couldn't find the word 'love' indexed in any of the psychology books on my shelves, even the ones on marriage.) Instead the student is offered dry bones, techniques, precision, and huge mountains of facts which have little relation to the interests which brought him into psychology" (Maslow, 1965a, p. 20).

Evolution and altruism: Combining psychological mediators with naturally selected tendencies.

One of the fundamentals of human nature is the selfish gene and The Selfish Gene by Richard Dawkins “show how both individual selfishness and individual altruism are explained by the fundamental law that I am calling gene selfishness” (Dawkins 6)....

Social Evaluation and the Empathy -- Altruism Hypothesis.

Batson and colleagues argue yes, empathic reaction is a source of altruistic motivation.

"We must know what men are like at their best; not only what they are, but also what they can become. The byproducts of such knowledge are incalculably important. My belief is that such a health–psychology will inevitably transform our deepest conceptions of human nature. It will wean us away from our almost universal habit of regarding normality as a special case of the abnormal, and teach us that instead the abnormal is a special case of the normal, and that psychological illness is primarily a struggle toward health" (Maslow, 1965a, pp. 27–28).

(1964) "Altruistic" behavior in rhesus monkeys.

"Several researchers have applied positive psychology to the workplace (Cameron, Dutton, & Quinn, 2003). Building from the foundation of the positive psychology movement, recent attention has been paid to positive organizational behavior (POB), defined as "the study and application of positively oriented human resource strengths that can be measured, developed, and effectively managed for performance improvement in today's workplace" (Luthans, 2002, p. 59). Three POB constructs receiving recent attention have been hope, subjective well–being, and confidence" (Hodges & Clifton, 2004 p. 263).

(1962) "Altruism" in the albino rat.

"Positive psychology thus focuses on creating an optimal environment in which positive skills may be more readily practiced and, consequently, in which clients are able to engage in a more productive day routine. Psychological knowledge and principles may provide therapists with a better understanding of what triggers or maintains negative or maladaptive behaviors and under what conditions positive behaviors can be elicited. More important, positive psychology principles and research may provide therapists with a greater understanding of how clients' improved emotional status (e.g., happiness) can promote better self–redirection or a better response to therapeutic redirection" (Ahmed & Boisvert, 2006 p. 335).

(1971) The evolution of reciprocal altruism.

"positive psychology, with its forward–looking orientation, suggests that the potential for a more hopeful, productive, and satisfying future can emerge for people who are struggling to find their way through these tough times, as well as for many others who are somewhat more secure, but find themselves coasting along without much joy and meaning in their day–to–day work lives" (Froman, 2010, p. 60).