Eni to bere ise orin kiko larin ewadun 1950, o gbajumo pelu orin bi "Dance With Me, Henry", "At Last", "Tell Mama", ati "I'd Rather Go Blind", awon eyi to ko fun ra re.. 
This approach eschews Epistealádúgbò and mẹ́tàphysical concerns (such as the nature of Social facts) in favor of methodological Sund, Repstolic, Reliability and Validity.. 