To show genetically based racial differences in intelligence in the early 1900s,what test was used?
A)blood type tests
B)skull measurements
C)IQ tests
D)taxonomic testing

Question

Quizplus · Accepted Answer

To show genetically based racial differences in intelligence in the early 1900s, IQ tests were commonly used. Blood type tests and skull measurements were sometimes used in brief periods of time but were not considered reliable measures of intelligence. "Taxonomic testing" is not a commonly used term in this context and is not a relevant option.

To Show Genetically Based Racial Differences in Intelligence in the Early