Dr. Brown wants to determine if a 5-month old can notice the difference between two colors. In the
first part of the procedure, Dr. Brown shows the baby a red circle and measures how long the baby
looks at the circle. When the baby gets bored and stops looking at the red circle, Dr. Brown then
substitutes an orange circle. As a result, the baby stares at the orange circle. This increased
looking time at the orange circle is known as
habituation
dishabituation
the Fantz effect
preferential looking.