Huela is going to have her first child and talks to her physician about assessing the health of her unborn child. The physician recommends a test that combines a blood test and ultrasound sonography. Which procedure was recommended?

Jordan and her friends are in the front row for a rock concert. During the concert, the lead singer moves all around the stage but Jordan continues to perceive him as the same height even though the image received in her eye and brain constantly changes. This illustrates which type of perceptual constancy?

a. Size constancy b. Location constancy c. Color constancy d. Shape constancy

Of the different types of aggression, the most destructive and threatening is

instrumental aggression. reactive aggression. bullying aggression. relational aggression.