A child's first experience as well as expectations of what it means to be a 'girl' or a 'boy' comes from:

Assertion (A): Male characters in stories and books are often presented as strong and adventurous, while female characters are shown as warm and sensitive. Reason (R): Schools and curriculum influence gender-role identity as they are powerful agents of secondary socialization. Choose the correct option:

Children begin to actively acquire and internalize gender stereotypes during which period of development?