If you sustain damage to your left primary motor cortex, you will have difficulty executing

Without doing any calculations, which of the following samples has the largest variance?

a. 30, 32, 34, 35, 36 b. 1, 3, 4, 5, 6 c. 1, 5, 8, 12, 22

The concept of motivation may be defined as

a. voluntary compliance to another's request b. rewarding and punishing behavior so as to change it c. energizing and directing our efforts toward a meaningful goal d. controlling behavior through reinforcements but not punishments