As we view the world, objects often appear to stand out against a backdrop. This is the Gestalt principle of _____

According to Freud, dreams are:

A) a symbolic fulfillment of erotic wishes B) the result of random neural activity in the brainstem C) the brain's mechanism for self-stimulation D) the disguised expressions of inner conflict

Imagine that Dr. Walsh measures the heritability of anger in pairs of siblings who are being reared together

She finds a correlation of .15 between pairs of adopted siblings who are biologically unrelated, a correlation of .63 for fraternal twins, and a correlation of .92 for identical twins. These results suggest that A) both the environment and genetics contribute substantially to the variability in anger. B) relative to the influence of genetics, the environment contributes relatively little to variability in anger. C) compared to the impact of the environment, genetics contributes relatively little to variability in anger. D) the shared environment contributes greatly to the variability in anger only among identical twins.