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4 - Now you see it, now you don't – some considerations on multiple regression

Published online by Cambridge University Press:  27 April 2010

David Magnusson
Affiliation:
Stockholms Universitet
Lars R. Bergman
Affiliation:
Stockholms Universitet
Georg Rudinger
Affiliation:
Rheinische Friedrich-Wilhelms-Universität Bonn
Bertil Torestad
Affiliation:
Stockholms Universitet
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Summary

There is always a temptation to shrink from the difficult task of grounding identifying assumptions in empirical and theoretical knowledge and to select them instead on grounds of statistical convenience or simplicity. This is a temptation that is worth resisting if we wish to arrive at a real understanding of the phenomena we are studying. In this as in other decisions associated with our statistical methods, it is a snare and a delusion to seek out ‘automatic’ techniques that can be applied without careful consideration or that are neutral with respect to the substance of our theories. It is not enough to learn the etiquette book. The reason (or lack of reason) for its rules must be understood as well.

Herbert A. Simon (1979)

STATISTICS AND THE ANALYSIS OF SURVEY MATERIAL

It may be useful to begin with a small amount of history. This chapter derives from a series of seminars held in London to stimulate discussion of research issues in social psychiatry and was deliberately couched in somewhat provocative terms (hence its title). In a longer view it relates to a certain lingering skepticism about the usefulness of complex multivariate statistics – at least on the part of the first two of us. To be provocative: in our own field of social psychiatry we know of no important findings whose dissemination required such statistics; we suspect that most discoveries have not owed their origin to such statistics, and the statistics may at times actually have prevented important insights.

Type
Chapter
Information
Problems and Methods in Longitudinal Research
Stability and Change
, pp. 67 - 94
Publisher: Cambridge University Press
Print publication year: 1991

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