The habituation-dishabituation technique is a technique used to test infant visual perception, where infants consistently look longer at some patterns than at others, researchers can infer that the infants can see a difference between the patterns

With respect to sensory changes in middle age, one commonly experiences a(n):

a. increased ability to hear low-frequency sounds, but decreased ability to hear high-frequency sounds b. increased sensitivity to pain, but decreased sensitivity to smell c. increased sensitivity to smell, but decreased sensitivity to pain d. decline in visual acuity and decline in reaction time

Collecting the responses of different people at different ages all at the same time characterizes _______ research

a. longitudinal b. cross-sectional c. basic d. applied