Irene Pepperberg Worked with an African Gray Parrot Named Alex

question 184

Multiple Choice

Irene Pepperberg worked with an African gray parrot named Alex. Her research revealed that:

• A) Alex was capable of addition, subtraction, multiplication, and division problems, showing an innate understanding of numbers.
• B) Alex was able to make requests and to answer simple questions about objects.
• C) Alex's linguistic abilities were limited to the "parroting" of phrases that he heard Irene speak.
• D) Alex showed no evidence of cognitive abilities, which isn't surprising given his brain was the size of a walnut.