When researchers are interested in predicting some future behavior based on a person's score on some other variable, they should
A. demonstrate that the correlation coefficient of the known and the unknown variables is closer to -1.00.
B. construct a scatterplot in addition to looking at the magnitude of the correlation coefficient.
C. construct several criterion variables.
D. demonstrate that there is a reasonably high correlation between the criterion and predictor variables.
Answer: D
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During the resolution phase of the sexual response cycle, as described by Masters and Johnson,
a. the sexual excitement resolves into an orgasm. b. blood rushes into the vaginal area. c. breathing becomes more rapid and heart rate increases. d. the sexual organs return to their earlier, pre-excitement state.
Lawrence just found out that his best friend was killed in a car accident. Lawrence's emotional state would best be described as one of shock, and he feels like his emotions will burst out of him at any moment. Parkes/Bowlby would most likely describe his grief state in terms of
a. reorganization. b. numbness. c. yearning. d. disorganization/despair.
Jana is an easy baby who smiles and vocalizes frequently, which encourages her parents to smile and talk to her more. This, in turn, causes Jana to smile and interact with her parents more. This illustrates
a. reciprocal influences. b. the genetic predispositions of the parents. c. a parental behavior that would occur even if Jana had a difficult temperament. d. all of these.
Melinda adopted an infant from Korea and was amazed because the child seemed to prefer spicy food from the time she began to eat solid food. What is the most likely reason for the child's preference? a. There is nothing that could account for this; it is just a coincidence
b. The child inherited a genetic predisposition to prefer spicy foods from her birth parents. c. Melinda gave the child spicy foods very early in life, and the child learned to like them. d. The child's birth mother probably ate the spicy foods normal for her culture while she was pregnant, which predisposed her daughter to like spicy foods.