Why on earth?: Evaluating hypotheses about the physiological functions of human geophagy

The Quarterly Review of Biology Vol/Iss. 86(2) The University of Chicago Press Published In Pages: 97-120
By Young, Sera L., Sherman, Paul W., Lucks, Julius B., Pelto, Gretel H.


Frequency of geophagy will be positively associated with periods of food shortage or famine (110).


Test NameSupportSignificanceCoefficientTail
Pearson's chi-squareNot SupportedUNKNOWNUNKNOWNUNKNOWN