Researchers have found ______ relationships between intelligence and the electrical response of brain cells to stimulation
a. no c. modest
b. very weak d. extremely strong
C
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Some research has found that several different species of fish—salmon, bluefin or albacore tuna, and swordfish—contain high levels of an omega-3 fatty acid called ________. This substance may help memory cells in the brain communicate with each other more effectively.
A. DHA B. EDTA C. ghrelin D. leptin
Leslie, a 9th grader, took the Holland Self-Directed Search and learned that her interests are most similar to people who are self confident, good with words, and independent. Holland would say that these results indicate that
A) she will succeed in an occupation that requires these qualities. B) she should decide to become a writer. C) she can expect to be interested and satisfied by work that draws on these qualities. D) All of the above.
What is Piaget's first stage of cognitive development?
A) Sensory accommodations B) Preoperations C) Sensorimotor D) Concrete operations
Sally proposes the idea that one's sexual history prior to marriage predicts whether one ends up getting divorced. This best represents which step of the scientific method?
A. Testing the hypothesis B. Observing events C. Forming a hypothesis D. Formulating a theory