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Helen Welford

3 published titles

Research methods in psychology

(Contributor)

1 edition

  • ISBN: 9780956392268
  • StatBasics
  • 2009
  • Details

Descriptive statistics

(Contributor)

1 edition

  • ISBN: 9780956392268
  • StatBasics
  • 2011
  • Details

Inferential statistics

(Contributor)

1 edition

  • ISBN: 9780956392268
  • StatBasics
  • 2011
  • Details

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