I interrupted. "But it’s the box score that really counts—that and that alone, isn’t it? "It’s all that ought to count," he replied. "But it isn’t. Maybe one of these days it will be all that counts. That is one of the reasons I’ve got you here, Robinson. If you’re a good enough man, we can make a start in the right direction. But let me tell you, it’s going to take an awful lot of courage."

What narrative technique does Robinson use in this excerpt to paint a picture for readers?

interesting dialogue
detailed descriptions
first-person details
first-person pronouns