Author Question: Why was Alex the parrot taught to speak rather than being taught a sign language or an artificial ... (Read 199 times)

Engineer · **on:** Jun 21, 2018

Why was Alex the parrot taught to speak rather than being taught a sign language or an artificial language?

A) Grey parrots lack the dexterity to use a computer touchscreen.
B) Researchers could not distinguish among the gestures made by parrots.
C) Grey parrots have vocal apparatuses that allow them to mimic many human sounds.
D) Alex refused to interact with the artificial language apparatus.

Question 2

You have 10 blocks and 5 of them are green. If you asked Alex the parrot How many green blocks are there? he would have answered correctly that there are five. Which of the following abilities does Alex demonstrate with this answer?

A) Numerosity and discrimination
B) Categorization and color discrimination
C) Numerosity and categorization
D) Color discrimination and subtraction