Tiffany is 3 years old. She knows that she is a girl, and she expects to be a girl tomorrow, but she does not understand that her gender is permanent. She believes that cutting her hair short could change her gender. Tiffany has but not .

The correct answer is gender stability; gender constancy

Children know their own sex around the age of two and the people around them between two and three. Around the age of four to five, you will understand gender stability, that is, that people remain with the same gender throughout their lives.

local max is .5

step-by-step explanation:

the local maximum is for x values between 2 and 4

it looks like the x value is 2.5 and the y value is .5