Brain damage is more likely to affect fluid intelligence than crystallized intelligence

You need to remove a broken light bulb from a lamp. Without a pair of gloves, you are likely to cut yourself on the jagged glass. Suddenly, it occurs to you that you can use a cut potato to remove the light bulb from the socket

You have just demonstrated __________ a) generalization. b) discrimination. c) latent learning. d) insight learning.

What is the earliest evidence of humans' ability to understand basic mathematical ideas?

A) Newborns less than one week old can distinguish between cards with four black dots and cards with six black dots. B) Newborns less than one week old can distinguish between cards with two black dots and cards with three black dots. C) Children do not recognize mathematical quantities when they see or hear them until they are about four years old. D) Infants two or three months old can match the number of objects they see to the number of sounds they hear.