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Cohen's d in SPSS

Discussion in 'Psychology [Psy.D. / Ph.D.]' started by neuropsyance, 10.04.10.

  1. neuropsyance

    neuropsyance

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    Anyone know how to compute it? I haven't used SPSS since freshman year of undergrad and now they're making me (literally forcing me) to use it again. I'm trying to compute Cohen's d, the last thing I need for this assignment. I'm going to bed for the night, and expect some guidance when I wake up SDN!

    Thanks in advance,
    neuropsyance
  2. JockNerd

    JockNerd

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    SPSS doesn't give it to you. The formula is simple and is obtainable from any google search for "cohen's d." There are half a dozen online calculators for it.
  3. neuropsyance

    neuropsyance

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    Our instructor's assignment said to "use" SPSS to compute Cohen's d. I knew the calculation, but couldn't find it in SPSS (for now obvious reasons). She must have just made a typo haha.
  4. LGPsychology

    LGPsychology

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    Download G*Power (just type it into google, first link will have a download).
    Straightforward after that.
  5. krisrox

    krisrox

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    +1 on G Power.

    It is amazing.
  6. gladysCHugh

    gladysCHugh

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    Hi, perhaps your tutor wanted you to just use a formula to compute cohens d from some other information you have - do you have r or z for example, because if you do then d=(2r)/sqrt(1-r^2) and d=(2z)/sqrt(N-z)...spss doesn't necessarily have to have an option to calculate d for you....you can just use the transform function.
  7. JockNerd

    JockNerd

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    You use the SPSS output to calculate it, but spss does not provide d. Use an online calculator.
  8. Psychadelic2012

    Psychadelic2012 PhD Student

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    This. Use the syntax editor to compute it yourself.
  9. PerhapsMaybeOk

    PerhapsMaybeOk

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    try this

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