While dancing at a club, darryl didn't realize how crowded the dance floor had become till he started to notice that he couldn't move his arms without hitting someone dancing beside him. this is an example of which type of factor that influences our perception of crowding?

What was piaget's explanation as to why preschool-age children in the preoperational stage make errors on tasks requiring conservation? a) preschool children's tendency toward centration prevents them from focusing on other relevant features of a situation b) preschool children have not yet developed numerical understanding; therefore, different amounts are meaningless c) preschool children's neural-visual network is not fully matured d) preschool children have not lived long enough and accrued enough experience to know the difference between quantities