You need to check (may be by simulations) if your test has any power to
reject the null. If the power is low than get more subjects.
On 12 Sep 2001, sylvie perera wrote:
> Hi,
>
> If a result is not significant, I realise this is because it may be due
> to chance.
>
> Is there a way of telling if more subjects are needed or there actually
> is no difference between the groups?
>
> Thanks in advance
> Sylvie.
>
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