Such a drastic change in the external conditions, (especially in different habits of substance use and abuse by the carriers) was expected to have a very stimulating effect on young organisms and lead to the development in the moment of their birth of a prime basis for an IQ level higher by 50 percent..
Due to changing external conditions, organisms were expected to be born with higher IQs.
Due to changing external conditions, organisms weren't expected to be born with higher IQs.