personification: the attribution of a personal nature or human characteristics to something nonhuman, or the representation of an abstract quality in human form.
i might be wrong because it could also be a metaphor because hope is being compared to being a thing with feathers by using "is" and not "like or as" like a simile. Hope this helps
Mrs. Liang, the librarian method of data collection is balanced because she is including parents with children of all ages so she will get a greater age range.