Exam 4: Perceptual Processes

Segall, Campbell, and Herskovits administered the Müller-Lyer test to children and adults in several African countries, the Philippines, and the United States. They found that people living in highly carpentered cities were more susceptible to the illusion than people living in rural, less carpentered villages. Why was their study weak in terms of its internal validity?

An evolutionary mismatch is a trait that was not advantageous in ancestral times but has become adaptive due to changes in the environment.

Describe a typical laboratory experiment that examines the impact of race on the accuracy of eyewitness identifications.

Researchers have identified six basic facial expressions of emotion that are easily recognized by most people around the world. Which of these is NOT one of the six?