# How to mention days individually in an experiment?

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#### Maggŭs

##### Senior Member
Hello,

I have a question about the normal way of reporting the events in an experiment on a daily basis:

"Some periods showed a statistically significant difference particularly on days 10, 15, 20, 25, 30 and 35".

More specifically, is it O.K to write "on days 10, 15, 20, 25, 30 and 35"?

Thank you!

• #### owlman5

##### Senior Member
"On days 10, 15, 20, etc." seems fine to me. I can't think of a better way to express the idea.

#### Edinburgher

##### Senior Member
Yes, that's fine. The problem I see with this lies elsewhere. It seems to suggest that (apart from day 5), something more significant happens on days divisible by 5 than on all the other days. You know, nothing interesting happens on days 1 to 9, then on day 10, BANG!, and then nothing on days 11 to 14, and so on. Is that what you want to say?

#### Maggŭs

##### Senior Member
olwman5 and Edinburgher, thank you both!

As for the pattern, apparently there was a specific formula for selecting the days after the treatment.

Best of wish!

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