Girls normally begin menstruating around age 11–16, toward the lower end of this range under healthy conditions and toward the higher end when nutrition is insufficient. This is an example of __________________
a. a high concordance rate
b. a low concordance rate
c. epigenesis
d. heritability
Answer: C
You might also like to view...
Why is it that the brain of an adolescent becomes capable of processing information more efficiently than the brain of a child?
a. Because the brain has grown to its adult size by the time puberty occurs b. Because synaptic pruning and myelination are nearly complete by adolescence c. Because not all of the cerebral lobes were "active" before puberty, but they are all working in adolescence d. Because the corpus callosum atrophies and disappears during adolescence
Our level of psychological adjustment and emotional health is a function of the extent to which our:
a. self-concept is congruent with our experiences. c. anxiety is defended. b. instincts are repressed. d. ideas accurately predict future events.
Which best describes the main finding of a study in which pregnant mothers read the story The Cat in the Hat? a. Prior to birth, the fetus begins to mimic the sounds its mother makes
b. After birth, infants appeared to recognize the rhythm at which their mother has read a story. c. After birth, infants showed no reaction when they once again heard a story that had been read by their mother before they were born. d. After birth, infants who had been read to begin to speak at an earlier age than a control group who has not been read to.
Which of the following would NOT be a preferred method of "catching" and understanding a dream?
a. Keep a paper and pen or recorder next to your bed. b. Recall your dreams with your eyes open and staring at the ceiling or a fixed object. c. If possible, arrange to awaken gradually without an alarm. d. Put your dreams into a permanent dream diary, keep the dreams in chronological order, and review them periodically.