_______________ is what makes a note played on a flute, which produces relatively pure tones, sound different from the same note played on an oboe, which produces very complex sounds

A major difference between psychoanalytic theory and cognitive theory is that psychoanalytic theory focuses on ______, while cognitive theory focuses on ______

Fill in the blank with correct word

Elton's mother has been nagging that he should practice at the piano for the upcoming competition. Elton eventually complies to stop her nagging. This example illustrates _______________

a. positive punishment b. negative punishment c. positive reinforcement d. negative reinforcement