This edited two-volume collection presents the most interesting and compelling articles pertaining to the formulation of research methods used to study information systems from the 30-year publication history of the Journal of Information Technology .

This edited two-volume collection presents the most interesting and compelling articles pertaining to the formulation of research methods used to study information systems from the 30-year publication history of the Journal of Information Technology .

Introduction; Leslie Willcocks, Chris Sauer and Mary Lacity

PART I: INFORMATION SYSTEMS RESEARCH: RETROSPECT AND PROSPECT
1. Retrospect and prospect: information systems research in the last and next 25 years; Lee, A.
2. Commentaries on Retrospect and Prospects for I.S. Research
2.1. On some extensions to Lee '' ''s retrospect and prospect IS paper; Lundeberg, M.
2.2. Knowledge lost and found: a commentary on Allen Lee '' ''s '' ''retrospect and prospect; Baskerville, R.
2.3. Retrospect and prospect: information systems in the last and next 25 years: response and extension; Davison, R.
2.4. Comments on Allen Lee '' ''s article '' ''Retrospect and prospect '' '': information systems research in the last and next 25 years '' '' from a socio-theoretical IS research perspective; Avgerou, C.
3. Towards Dissolution of The IS Research Debate: From Polarization To Polarity; Fitzgerald, B. and Howcroft, D.

PART II: METHOLODOLOGICAL PRACTICE IN INFORMATIONSYSTEMS RESEARCH
4. Methodological practice and policy for organisationally and socially relevant IS research: an inclusive-exclusive perspective; Davison, R., and Martinsons, M.
5. Commentaries on Methodological Practice
5.1. Is there a methodological crisis?; Myers, M.
5.2. Commentary on Davison and Martinsons: methodological practice and policy for organisationally and socially relevant IS research: an inclusive – exclusive perspective; Lee, A.
5.3. In celebration of diversity in Information systems research; Galliers, R.
5.4. Open Sources? A Commentary on '' ''IS Research Methods: Inclusive or Exclusive?; Nandhakumar, J. and Scarbrough, H.
5.5. Pluralism is not about me, it is about us; Germonprez, M.
5.6. Research methods and the relevance of the IS discipline: a critical analysis of the role of methodological pluralism;
Sharma, R.

PART III: GENERALIZABILITY IN INFORMATION SYSTEMS RESEARCH
6. Classifying Generalization: Paradigm War or Abuseof Terminology?; Williams, J., and Tsang, E.
7. Generalization in IS Research: A Critique of the Conflicting Positions of Lee & Baskerville and Tsang & Williams; Seddon, P. and Scheepers, R.

PART IV: THE ROLE OF THEORY IN INFORMATION SYSTEMS RESEARCH
8. Is theory king? Questioning the theory fetish in information systems; Avison, D., and Malaurent, J.
9. Commentaries on the Role of Theory
9.1. Theory is king? But first, what is theory?; Lee, A.
9.2. Maybe not the king, but an invaluable subordinate: a commentary on Avison and Malaurent '' ''s advocacy of '' ''theory light '' '' IS research; Markus, L.
9.3. The power of an intellectual account: developing stories of the digital age; Henfridsson, O.
9.4. From '' ''theory light '' '' to theorizing: a reaction to Avison & Malaurent; Compeau, D., and Olivera, F.
9.5. Taking theory too far? a commentary on Avison and Malaurent; Silverman, D.
9.6. Theory – still king, but needing a revolution;Gregor, S.
9.7. A Rejoinder; Avison, D. and Malaurent, J.