Aarti Iyer received her PhD in Social Psychology from the University of Santa Cruz (2004), and she is currently a faculty member at the University of Queensland (Australia). Martijn van Zomeren received his PhD from the University of Amsterdam (2006), and he is currently a faculty member at the University of Groningen (The Netherlands).Both editors' research interests involve collective action, social change, emotion, and identity processes.

• INTRODUCTION.Introduction to the Social and Psychological Dynamics of Collective Action (Martijn van Zomeren and Aarti Iyer).  COLLECTIVE ACTION BY LOW-STATUS GROUPS.Metaphors of Protest: A Classification of Motivations for Collective Action (Martijn van Zomeren and Russell Spears).Pathways to Collective Protest: Calculation, Identification, or Emotion? A Critical Analysis of the Role of Group-Based Anger in Social Movement Participation  (Stefan St¨urmer and Bernd Simon).Collective Psychological Empowerment as a Model of Social Change:Researching Crowds and Power (John Drury and Steve Reicher).Collective Action-and Then What? (Winnifred R. Louis).Collective Action in Modern Times: How Modern Expressions of Prejudice Prevent Collective Action  (Naomi Ellemers and Manuela Barreto).COLLECTIVE ACTION BY HIGH-STATUS GROUPS.Why Do the Privileged Resort to Oppression? A Look at Some Intragroup Factors  (Tom Postmes and Laura G. E. Smith).Why Do Men and Women Challenge Gender Discrimination in the Workplace? The Role of Group Status and In-group Identification in Predicting Pathways to Collective Action (Aarti Iyer and Michelle K. Ryan).BEYOND STATUS: COLLECTIVE ACTION AROUND OPINIONS AND POLICY OPPOSITION.Context Matters: Explaining How and Why Mobilizing Context Influences Motivational Dynamics(Jacquelien van Stekelenburg, Bert Klandermans, and Wilco W. van Dijk).Collective Action as the Material Expression of Opinion-Based Group Membership (Craig McGarty, Ana-Maria Bliuc, Emma F. Thomas,and Renata Bongiorno).COMMENTARY.The Next Generation of Collective Action Research (Stephen C. Wright).

Aarti Iyer received her PhD in Social Psychology from the University of Santa Cruz (2004), and she is currently a faculty member at the University of Queensland (Australia). Martijn van Zomeren received his PhD from the University of Amsterdam (2006), and he is currently a faculty member at the University of Groningen (The Netherlands).Both editors' research interests involve collective action, social change, emotion, and identity processes.

• INTRODUCTION.Introduction to the Social and Psychological Dynamics of Collective Action (Martijn van Zomeren and Aarti Iyer).  COLLECTIVE ACTION BY LOW-STATUS GROUPS.Metaphors of Protest: A Classification of Motivations for Collective Action (Martijn van Zomeren and Russell Spears).Pathways to Collective Protest: Calculation, Identification, or Emotion? A Critical Analysis of the Role of Group-Based Anger in Social Movement Participation  (Stefan St¨urmer and Bernd Simon).Collective Psychological Empowerment as a Model of Social Change:Researching Crowds and Power (John Drury and Steve Reicher).Collective Action-and Then What? (Winnifred R. Louis).Collective Action in Modern Times: How Modern Expressions of Prejudice Prevent Collective Action  (Naomi Ellemers and Manuela Barreto).COLLECTIVE ACTION BY HIGH-STATUS GROUPS.Why Do the Privileged Resort to Oppression? A Look at Some Intragroup Factors  (Tom Postmes and Laura G. E. Smith).Why Do Men and Women Challenge Gender Discrimination in the Workplace? The Role of Group Status and In-group Identification in Predicting Pathways to Collective Action (Aarti Iyer and Michelle K. Ryan).BEYOND STATUS: COLLECTIVE ACTION AROUND OPINIONS AND POLICY OPPOSITION.Context Matters: Explaining How and Why Mobilizing Context Influences Motivational Dynamics(Jacquelien van Stekelenburg, Bert Klandermans, and Wilco W. van Dijk).Collective Action as the Material Expression of Opinion-Based Group Membership (Craig McGarty, Ana-Maria Bliuc, Emma F. Thomas,and Renata Bongiorno).COMMENTARY.The Next Generation of Collective Action Research (Stephen C. Wright).

Aarti Iyer received her PhD in Social Psychology from the University of Santa Cruz (2004), and she is currently a faculty member at the University of Queensland (Australia). Martijn van Zomeren received his PhD from the University of Amsterdam (2006), and he is currently a faculty member at the University of Groningen (The Netherlands).Both editors' research interests involve collective action, social change, emotion, and identity processes.

• INTRODUCTION.Introduction to the Social and Psychological Dynamics of Collective Action (Martijn van Zomeren and Aarti Iyer).  COLLECTIVE ACTION BY LOW-STATUS GROUPS.Metaphors of Protest: A Classification of Motivations for Collective Action (Martijn van Zomeren and Russell Spears).Pathways to Collective Protest: Calculation, Identification, or Emotion? A Critical Analysis of the Role of Group-Based Anger in Social Movement Participation  (Stefan St¨urmer and Bernd Simon).Collective Psychological Empowerment as a Model of Social Change:Researching Crowds and Power (John Drury and Steve Reicher).Collective Action-and Then What? (Winnifred R. Louis).Collective Action in Modern Times: How Modern Expressions of Prejudice Prevent Collective Action  (Naomi Ellemers and Manuela Barreto).COLLECTIVE ACTION BY HIGH-STATUS GROUPS.Why Do the Privileged Resort to Oppression? A Look at Some Intragroup Factors  (Tom Postmes and Laura G. E. Smith).Why Do Men and Women Challenge Gender Discrimination in the Workplace? The Role of Group Status and In-group Identification in Predicting Pathways to Collective Action (Aarti Iyer and Michelle K. Ryan).BEYOND STATUS: COLLECTIVE ACTION AROUND OPINIONS AND POLICY OPPOSITION.Context Matters: Explaining How and Why Mobilizing Context Influences Motivational Dynamics(Jacquelien van Stekelenburg, Bert Klandermans, and Wilco W. van Dijk).Collective Action as the Material Expression of Opinion-Based Group Membership (Craig McGarty, Ana-Maria Bliuc, Emma F. Thomas,and Renata Bongiorno).COMMENTARY.The Next Generation of Collective Action Research (Stephen C. Wright).