Jordan watches his mother place chocolate cookies in a newly bought jar and go to her room for a nap. Jordan loves the cookies and wants to have some of them. He tries to open the cookie jar by pulling up the lid; he also tries rotating the lid in a clockwise direction. He finally realizes that there is a "Push" button to open the cookie jar. According to the substages of Piaget's sensorimotor stage of cognitive development, Jordan is most likely in the ________.

Which sequence CORRECTLY reflects the order in which the electrical charges occur during an action potential, from first to last?

a) resting potential> threshold potential> action potential b) threshold potential> resting potential> action potential c) action potential> threshold potential> resting potential d) resting potential> action potential> threshold potential

Bob is preparing for a class presentation in his senior honors course. He feels a bit nervous because this is a major presentation and the chairperson has been invited. Which of the following appraisals might reduce his feelings of stress?

a) "This presentation is too much for me, I give up." b) "If I make a fool of myself, I guess I won't go to graduate school." c) "I did a fine job in my previous presentations; so I can do well again." d) "I'm not up to the challenge because my previous presentations were a piece of cake."