The attitude of the teacher toward her pupils does much to form the opinion that they have of themselves. If she expresses faith in her pupils, recognizes their strong points, and adjusts the work to their capabilities, she is apt to condition them to have desirable attitudes about themselves and their work. On the other hand, if she displays contempt for their abilities, minimizes their efforts, and is inflexible in her requirements, she will help develop associations that may give rise to unhappy emotional states. When these associations come to mind, the emotions surrounding them will be reinstated. The emotions may be either invigorating or depressing. The author talks about two types of teachers. The author seems to _____.