Buf if anything the avuncular correlation is less than the cousinal, and accordingly I am not sure that the age and environmental differences would do more than equalise their values.
In the first case, a child of 3 years, it was preceded a few months before by an alimentary intoxication, allantiasis; in the second case there was no history of an infectious disease.
Voice teachers who emphasize relaxation are loath to use such words as 'pinch' or 'squeeze' in relation to singing. Catford and Laver, whose field is primarily the phonetics of speech rather than singing, both considered 'full glottal phonation' to be the 'normal' setting for speech as well as for the falsetto voice […]. They advised against 'anterior phonation,' maintaining that it results in a somewhat 'tight,' 'hard,' 'sharp,' 'metallic,' or 'tense' speaking voice, and is probably associated with a high laryngeal position.
"'George rides in the back, aft of the baggage compartment,” said Aviation Sales Manager, John Brophy, with a smile as he climbed out. […] I switched on the autopilot and turned the turn knob to the left to get the turn-bank indicator to show a one-needle turn. Instantly, George rolled the Cessna into a smooth 10° bank to the left.