She's brave because she volunteered to put the sleeping powder in the cat's food, even though that's the very thing that her husband died doing.
She's determined because she went to an owl, a known enemy of mice such as herself, to find help.
She's kind because she freed the crow when he was tangled in string and was in danger of being eaten by the cat.
Well, the radio could have a different tone than the novel. The novel could be informative or based on an experience. The radio could be wrong or not-specific with the War of Worlds.