SPSS - Planned Contrasts for One-Way ANOVA
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- Опубликовано: 21 авг 2024
- In this video, I show how to set up and interpret planned contrasts after a signficant one-way ANOVA.
If you want to learn more about the concepts behind planned contrasts, I suggest watching Andy Field's video on the subject: • Following-Up ANOVA (GL...
Very clear, excellent speed, just perfect!
dude helped me out so much, better explained then my statistics class at University.
Thanks for this. Exactly the refresher I needed.
This is so helpful! such a good explanation
This video helped me SO much. Thank you!
VERY HELPFUL! STRAIGHT TO THE Point. Thanks
wow I struggled with this subject but it is very helpful! Thank you :)
Extremely helpful. Thank you!
Thank you! This video really helped me.
Crystal clear. Thank you so much!
perfect explanation !
Many thanks bro. Straight forward
Thank you so much! That helped a lot!
Very very useful! Thanks a lot!!!
Thank you! Great explanation!
great video! to the point - thank you!
Very helpful, thanks!
THANK YOU!
Thank you
I've conducted a planned contrast and all of my values for the t column are negative, what does this mean and do I include this -
sign whilst reporting my results?
The sign indicates the direction of the difference - negative just means that the (average) mean for the second group is higher than the (average) mean for the first group. Reporting the sign is optional - just make sure it's clear to the reader what the direction of the mean difference is.
Thanks a lot for your help!
Would it be equal if you used the coefficients 2, -1, -1 for the first contrast?
+kevin rollins Sure, that would be fine. It would be equivalent to the 1, -.5, -.5 that I did here, meaning that you should get the same t, df, and p results. So long as the contrast is balanced, the actual values are up to you.
great.thanks
Perfect thank you
THANK YOU!