Which of the following are unique characteristics of placental mammals?
a. They have mammary glands.
b. They are born in an embryonic state.
c. Fetuses are full developed at birth.
d. Infants do not need nourishment from their mother after birth.
B
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Which sentence best describes the conclusion from Maccoby and Jacklin's review of 1,500 sex-difference studies?
a. "Most traditional gender stereotypes are myths.". b. "Biblically stated gender differences are true.". c. "Men are biologically destined to dominate women.". d. "Pushy women are abnormal.".
Which of the following is least likely to be a symptom of anorexia?
A) Being overweight B) Hair loss C) Electrolyte imbalances D) Heart problem
Young Rachel is in her second grade class, when the teacher announces a new challenge. "Every time you memorize a new poem and recite it before the entire class, you will get a gold star. As soon as you get 20 gold stars,
you get to pick a prize out of the prize box!" The new star chart, a beautiful grid on multicolored posterboard, is placed at the front of the class for all to see. Rachel immediately pulls out her reader, and looks for a poem she can memorize. What type of conditioning has Rachel's teacher used to help stimulate a memory-enhancing activity? a. Reinforcing conditioning b. Classical conditioning c. Vicarious conditioning d. Operant conditioning
What does the "way" of a factorial design indicate?
A. the number of groups in a study B. the number of factors in a study C. the number of participants in a study D. the number of possible order sequences