From Aristotle to Facebook.

A modern phenomenon explained by 2,000 years of research & theory.

The Human Genome.(Does not explain Human Behaviour).

image source: info.med.yale.edu

A Timeline of Social Psychology.

 350 B.C.

   Aristotle         Ibn Khaldun       Auguste Comte     Harriet Martineau    Friedrich Nietzsche  1850

 1850

  Gabriel Tarde     Emile Durkheim     Gustav Le Bon      Norman Triplett         Kurt Lewin 

 1900

 1950

  Solomon Asch     Leon Festinger       Robert Zajonc       Albert Bandura          Robin Dunbar

 2000

image sources: see brightlemon.com

Key Social Theories.

Key Social Theories. Abyssinah (Group Solidarity),  Ibn Kudhun (1378).

The "Herd" Mentality,  Friedrick Nietzche (1883). 

"Group mind"/ "Crowd Mind", Gustav Le Bon (1896). 

Social Facilitation,   Norman Triplett (1898).

Network Effect / Network Extentiality,  Theodore Vail (1910). 

Key Social Theories.Social Learning Theory, Cornell Montgomery (1893), Julian Rotter (1945), Albert Bandura (1977) 

Group Interactions, Solomon Asch (1946) 

Cognitive Dissonance, Leon Festinger (1954) 

Social Development Theory, Lev Vygotsky (1962) 

Social Identity Theory, Tajfel and Truner (1979)

Dunbar's Number Robin Dunbar, 2003 

1: Use the Network effect / Network extentiality.

image source: jeffreywhitlock.blogspot.com

2: Use the Long Tail for User engagement.

image source: thebluegrassblog.com

Level of engagement                                                          

                                                                    Number of users

image source: thebluegrassblog.com

Level of engagement                                                          

                                                                    Number of users

vote...

like...rate...

comment...

that really complex taskonly the most dedicateduser will complete...

image source: thebluegrassblog.com

Level of engagement                                                          

                                                                    Number of users

vote...

like...rate...

comment...

that really complex taskonly the most dedicateduser will complete...

3: Use Social Comparison.

4: Use Maslow's Hierarchy of Needs

image source: http://www.ict-learningnow.com

References.

http://www.brightlemon.com