At first, I did not understand why Alice Munro uses plural in the title although there is only one girl and one boy in "Boys And Girls", but then the chain of events, as well as what the father says at the end "she's only a girl'', reveal much about the intention of the author. "Boys And Girls'' sheds light on the way girls and women were perceived in society in 1964; it highlights society's unwritten rules that were forced upon them. Rules that did not equate between men and women. For instance, in the story, even though the girl is of more help to her parents, her younger brother, though he almost does not contribute in any way, is deemed superior. Also, the mother has a traditional role which involves her doing solely household work.
But interestingly enough, the story is not merely about that because in it, we can see that men are also assigned traditional roles that usually involve them being outside doing harsh works.
However, there is one bias in the story as it gives voice to the girl to impart to the reader that she abhors traditional roles women are expected to play, and that she prefers to be outside assisting her father. This is apparent when she says about her mother "she loves me, but she was also my enemy. She was always plotting now to get me to stay in the house more, although she knew I hated it, and keep me from working for my father." Men in the story, however, never get to voice their opinion and the way they feel about their stereotypical roles.