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In a multiple regression model, the residuals were plotted against the values of one of the independent variables. The plot exhibited a funneling out pattern of residuals. This means that as the value of the independent variable increases, the error terms tend to ________ and the model assumption of ________ is violated.
Bio-behavioral Markers
Biological indicators, often physiological or genetic, that relate to how behavioral patterns or psychological states affect health and disease.
Monozygotic Twins
Identical twins that result from one zygote splitting and developing into two separate embryos.
Concordance Rate
A statistical measure used in genetics, indicating the probability that a pair of individuals will both have a certain characteristic, given that one of the pair has the characteristic.
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