I performed an ANOVA test on some data from samples and obtained a very small p-value in the order of e-200. My samples size are not big (12) wand I'm using 30 samples. Samples are not related at all between each other.

from this question: How should tiny $p$-values be reported? (and why does R put a minimum on 2.22e-16?)

I read that a tiny p-value as small as this should be reported as p<0.001. However, I'm not sure if there is anything wrong to have such a small values.

my questions are: 1. Is it ANOVA not suitable for my samples? (I'd like to test if my data is statistically different). 2. I'm getting this small p-value because I have not enough data? If yes, what other statistically method should I use?

Thanks,

PD: Aplogies in advance because I can't add a comment on any post (I'm a new user)

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