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9780761920120

Unobtrusive Measures

Unobtrusive Measures
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Product details

  • ISBN-13: 9780761920120
  • ISBN: 0761920129
  • Publication Date: 1999
  • Publisher: SAGE Publications, Incorporated

AUTHOR

Webb, Eugene J., Campbell, Donald T., Schwartz, Richard

SUMMARY

This completely rewritten and updated edition builds on the earlier version's drive to justify novel techniques of survey and archival research. The authors combine methods so that research results can withstand the threats to validity.Webb, Eugene J. is the author of 'Unobtrusive Measures', published 1999 under ISBN 9780761920120 and ISBN 0761920129.

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