There is a difference between Belize and Samoa
This answer is partially correct but, it is not the most correct answer. In this situation we believe that there is a difference between the two groups but we also have reason to suspect that the difference is in a particular direction (i.e. the children in one culture, on average, are further from their mothers than the children in the other culture).
We have already established that there are differences (Samoan mothers are expected to be further from their children than mothers in Belize).
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