The degree to which a ‘being’ is same or consists of the same thing.
There are various ways of understanding homogeneity in psychology; through cultural, trait-wise, statistical or research-based lens.
Homogenous sampling: Gathering a group of research participants that share various similar traits.
The extent to which different ethnic or demographic based groups share similar characteristics with regards to traits, traditions, lifestyle and practices.
Homogeneity of Variance: The phenomenon of samples having the same variation along various scores of a dimension or characteristic.