According to Piaget's theory of cognitive development, complex thoughts form during the________. 

Should organize for physical development of adolescents?

Proponent of Montessori Method - 

Where did William Wundt set up the first psychological laboratory in the year 1879?

Who among the following has written the book Outline Psychology?

Who among the following said that the infant learns most of the things about himself and his world through play?

In which of the following stage the rate of physical development is slowest?

Which one plays important role in social development of a child?