# Thread: How to report a non-significant regression?

1. ## How to report a non-significant regression?

Hi guys,

For my final year research project, I have a few regression models with non-significant results.

I was just wondering what the standard APA protocol would be for reporting this? For now, I've just provided the F value and the model summary (R square and adjusted R square)in the text. I've then placed a table of the corresponding regression coefficients in the Appendix. Do you think this is enough, or should I explicitly report the beta values in the text?

I'm just trying to save as much words as possible I suppose, but it's not worth it if I'll end up being marked down for it!

Thanks

2. ## Re: How to report a non-significant regression?

are you submitting this as a manuscript or is this a class assignment?

As for reporting non-significant values, you report them in the same way as significant.

Something akin to-
Predictor x was found to be significant (B =, SE=, p=). Predictor z was found to not be significant (B =, SE=, p=).

I caution against using phrases that quantify significance. I.e. almost, nearly, very, strongly. Use qualifiers for effect sizes, not for p values.

3. ## Re: How to report a non-significant regression?

Originally Posted by the42up
are you submitting this as a manuscript or is this a class assignment?

As for reporting non-significant values, you report them in the same way as significant.

Something akin to-
Predictor x was found to be significant (B =, SE=, p=). Predictor z was found to not be significant (B =, SE=, p=).

I caution against using phrases that quantify significance. I.e. almost, nearly, very, strongly. Use qualifiers for effect sizes, not for p values.

Well my project supervisor mentioned making a table of the Beta values (B, SE, p etc) and putting that in the Appendix (to save word space).
So I was just wondering whether the beta values need to still be explicitly referred to in the text, or whether I can just say that the model was non-significant (F values and R^2 and adjusted R^2), and then just say that all the predictors were non-significant and refer to the table in the Appendix. But you seem to think I should refer to them in the text?

4. ## Re: How to report a non-significant regression?

It all depends, if the various beta coefficients of your predictors were the focus of your research questions, then they should be discussed.

Here is a small excerpt from a manuscript I wrote recently-

"The results for the model containing the transformed variable Total Gifted Funding saw Total White (β=0.002, p<.001) and Total Hispanic (β=0.001, p<.001) students as significant predictors. Other ethnic variables were not significant predictors of Total Gifted Funding. Both Urban (β=-1.475, p=.005) and Rural (β=-1.409, p<.001) locales were found to be statistical significant predictors. In interpretation of both variables, it must be cautioned that locale variables were binary while ethnic variables were continuous. "

This paragraph was directly after a table detailing all the results.

5. ## Re: How to report a non-significant regression?

Originally Posted by the42up
It all depends, if the various beta coefficients of your predictors were the focus of your research questions, then they should be discussed.

Here is a small excerpt from a manuscript I wrote recently-

"The results for the model containing the transformed variable Total Gifted Funding saw Total White (β=0.002, p<.001) and Total Hispanic (β=0.001, p<.001) students as significant predictors. Other ethnic variables were not significant predictors of Total Gifted Funding. Both Urban (β=-1.475, p=.005) and Rural (β=-1.409, p<.001) locales were found to be statistical significant predictors. In interpretation of both variables, it must be cautioned that locale variables were binary while ethnic variables were continuous. "

This paragraph was directly after a table detailing all the results.
Thanks for your reply, that was a big help I think I best put the coefficients in then, best to be on the safe side.

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