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Editions

3 editions
  • Paperback · English · 2018
    Cengage Learning · 368 pages · 9781337566698
  • Paperback · English · 1998
    Wadsworth Publishing · 320 pages · 9781565937994
  • Other · English · 2013
    Wadsworth · 368 pages · 9781133963172
MethodologyEducationSingle subject researchPsychologyResearchMedical researchSocial research & statisticsEducational Research