Joshua tries to learn to solve a mathematics problem, but he does not get the correct answer on his first attempt. He tells his teacher, "I just can't do math. Can I go play now?" According to Carol Dweck, Joshua has:

Ursula works in an office. One day, her boss tells her that researchers will be in the office to observe productivity. Because she knows she is being observed, Ursula finds that she is working harder than she normally does. What is this an example of?

A) the placebo effect. B) the Heisenberg principle C) a single-blind study D) the Hawthorne effect

Which woman is apt to cope BEST with widowhood?

a) Ms. Zayat, who has a network of caring friends b) Ms. Tannenbaum, who doesn't have much money c) Ms. Murata, who has close family members, but virtually no friends d) Ms. Jones, who had a difficult, demanding spouse