The degree of differences between male and female anatomical traits is called sexual dimorphism.

Different scientific studies found a correlation between acquired traits and a higher risk of a population disappearing.

Conceptual clustering involves more detailed analysis of relationships between traits.

Item response theory models the relationship between latent traits and responses to test items.

He was particularly interested in the differences between central and peripheral traits.

There may be a direct correlation between autoantibody levels and associated psychological traits.

It can take years to find the associations between markers and traits, and sometimes links cannot be found at all, he said.

There is evidence of a correlation between sexual orientation and traits that are determined in utero.

Extremes analysis, examines the link between normal and pathological traits.

Within personality research there was the tension between traits and situation; one could think of this as the nature versus nurture debate.