Examlex
The row and column totals in a contingency table are called subtotals because they are less than the total.
IQ Scores
A measure of a person's cognitive abilities and potential, compared to the average abilities of the population, expressed as a numerical value.
Identical Twins
Twins who develop from a single zygote that splits and forms two embryos, sharing 100% of their DNA.
Fraternal Twins
Siblings who are born at the same time but have developed from two different eggs fertilized by two different sperm, resulting in genetically unique individuals.
Adoption Studies
Research studies that compare biological and adoptive relatives to understand the influence of genetics and environment on traits or disorders.
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