Whenever Garrett tries to remember his new phone number, he keeps getting it mixed up with his old phone number. Garrett's failure to remember his new phone number is probably due to __________ interference

In a studyto find out if clever people learn foreign words faster, the dependent variable is

A) cleverness B) intelligence C) capacityof memory D) speed of learning the words

Animals lack the ability to communicate using the language universal of __________

a. arbitrariness b. semanticity c. displacement d. vocalization