i think it just means the effects/implications on society. for example, the biological theory on abnormality led to the development of drugs for mental illnesses. hope that helps! what is the whole question?
You could say that if the results are incorrect and they are then generalised to wider society, then it could have implications...
Like the whole MMR Jab and the link with Autism: the findings were incorrect and when the findings were given out to society, it resulted in loads of mothers not vacinatting their children with the MMR jab.
The easiest way is to take the conclusion from a study and then interpret it. For example with Latane et al Social Loafing Study the practical implicartion would be 'we now know that the higher the amount of people there are in a group the less effort is put into the task'. Putting the 'we now know that' will immediately ring bells for the examiner. I hope that helps.